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The following is a list of unnamed Deep Space 9 personnel.

Command division

Blonde crewman

File:Blonde ds9 crewman 2369.jpg

A blonde crewman

This blonde crewman served in the command division aboard Deep Space 9. She visited Quark's Bar shortly after arriving aboard the station in 2369 and later worked in Ops. (DS9: "Emissary", "Babel")

This Starfleet officer was played by an unknown actress.

Bolian officer

Bolian starfleet officer on ds9 in 2369

A Bolian officer

This Bolian officer served in the command division aboard Deep Space 9.

He was talking to a Bajoran deputy on the promenade when Nog and Jake Sisko made business with the Lissepian freighter captain. Later he visited Quark's Bar and was winning at the dabo table. The bar patrons applauded to him. (DS9: "Progress")

He also appeared in Julian Bashir's Lethean-induced hallucinations in 2371. (DS9: "Distant Voices")

He was present during the celebration in the wardroom when Ezri Dax was promoted to lieutenant j.g. in early 2375. (DS9: "Afterimage")

This Bolian was played by an unknown actor.

Counter-insurgency crewman

File:Counter-insurgency redshirt.jpg

A Starfleet officer

This Starfleet command division crewman was killed in 2371 by level three of the counter-insurgency program in Ops. (DS9: "Civil Defense")

This Starfleet officer was played by an unknown actor.

Defiant crewmember (2373)

File:Female Defiant crewmember 2373.jpg

A crewmember

This Starfleet officer was on duty on the USS Defiant's bridge during the battle with the Dominion in 2373. She was thrown over a table when a console exploded. Later she listened to the speech of Captain Benjamin Sisko shortly before Starfleet left Deep Space 9. (DS9: "Call to Arms")

This crewmember was played by stunt actress Leslie Hoffman who received no credit for her appearance.

Defiant helmsman (2371)

Defiant helmsman, 2370

A Defiant helmsman

This Human served as helm officer aboard the USS Defiant during the initial mission to enter the Gamma Quadrant and locate the Founders in 2371. He was killed when the ship was attacked by the Jem'Hadar. (DS9: "The Search, Part I")

This helmsman was played by an unknown actor.

Defiant helmsman (2372)

File:Defiant helm 2372.jpg

A Defiant helmsman

In a hypothetical situation proposed in 2372 by Ch'Pok in which Worf was injured during a Klingon attack, forcing Chief Miles O'Brien to take command of the Defiant, this Human officer reported to O'Brien as helmsman. (DS9: "Rules of Engagement")

This Defiant helmsman was played by actor Christopher Michael.
It is unclear whether this officer exists in real life or was simply a figment of O'Brien's imagination, though the vivid picture in his head suggests O'Brien likely placed a real officer in that position.

Defiant helmsman (2373)

File:Defiant helm.jpg

A Defiant helmsman

This Human officer piloted the Defiant under the command of Worf against the Borg during the Battle of Sector 001 in 2373. When the Defiant's life support systems failed, he was beamed aboard the USS Enterprise-E with the rest of the Defiant crew. (Star Trek: First Contact)

This Defiant helmsman was played by actor Adam Scott.

Female command division officer

DS9 command officer, 2370

A command division officer

Female civilian on promenade

In civilian clothing

This female command division officer served aboard Deep Space 9.

She was working on ops when Odo told Kira Nerys about his Klingon afternoon. She was also present on ops when Jadzia Dax returned from her mission. (DS9: "Blood Oath")

She was present on ops when the crew witnessed the destruction of the Bok'Nor and when Calvin Hudson visited Sisko's office. Later she passed two Peliar Zel natives on the upper level on the promenade and passed the entry of Quark's, talking to another Starfleet officer. (DS9: "The Maquis, Part I")

She passed Garak and Bashir on the promenade, talking to another woman. She also visited the replimat and was eating with another officer. (DS9: "The Wire")

Off duty, she was on the promenade when a young Jem'Hadar came storming out of the infirmary and was very scared by the young alien who nearly ran her over. (DS9: "The Abandoned")

After the security on the station was brought back she was a guest at Quark's Bar, passing guests on the second level. (DS9: "Civil Defense")

This Starfleet officer was portrayed by regular background actress Sue Henley who also portrayed Ensign Brooks on Star Trek: Voyager. She received no credit for her appearances.

Female crewmember

File:Unnamed officer Amy Kate Connolly.jpg

A command division officer

This command division officer was off duty when she visited Quark's Bar and studied the latest casualty report at the wardroom. (DS9: "Image in the Sand")

She was at Quark's and was among the patrons who Garak shouted at because of his claustrophobia attack. (DS9: "Afterimage")

She was talking to another bar patron shortly before the Vulcan Captain Solok challenged Captain Sisko for a baseball game. (DS9: "Take Me Out to the Holosuite")

She visited Quark's and was watching Sarina Douglas playing a dabo game hosted by M'Pella. (DS9: "Chrysalis")

She was working on ops when Captain Sisko learned about the secret undercover mission of Miles O'Brien. (DS9: "Prodigal Daughter")

She visited Quark's in 2375 when some senior staff crewmembers toasted Hector Ilario for his excellent performance on the USS Defiant's helm in a recent battle. (DS9: "Field of Fire")

Together with a male civilian she passed the infirmary on the promenade when Ezri Dax entered it. (DS9: "When It Rains...")

She was walking on the promenade. (DS9: "What You Leave Behind")

This Starfleet officer was played by regular background actress and stand-in Amy Kate Connolly who received no credits for her appearances.

Lieutenant Commander

Command Lieutenant Babel

A command division lieutenant

File:Unnamed Lt Cmdr, Sons of Mogh.jpg

Lieutenant Commander in 2372

This Starfleet lieutenant was stationed on board Deep Space 9 from 2369 until 2375.

Off duty, he and Jones visited the promenade and Quark's after the Cardassian attack on Deep Space 9 in 2369. (DS9: "Emissary")

He visited Quark's at the same time the Duras sisters Lursa and B'Etor joined the bar. (DS9: "Past Prologue")

He was present in ops when Chief O'Brien fixed the navigational computer and later when Chief O'Brien talked to Major Kira. (DS9: "Babel")

He operated the center station of ops when Chief O'Brien was advised for his actions helping the Tosk by Commander Sisko in his office. (DS9: "Captive Pursuit")

He joined a female companion for dinner at the replimat and passed Quark's during the auction held there for artifacts from the Gamma Quadrant. (DS9: "Q-Less")

He passed Quark's Bar while the Ferengi hired Durg and two Bajoran mercenaries (DS9: "The Passenger") and while the Wadi visited Quark's Bar to play games. (DS9: "Move Along Home")

He visited Quark's Bar when Grand Nagus Zek tried five holoprograms in the holosuites (DS9: "The Nagus") and served on ops when the Miradorn Theta-class raider left Deep Space 9. (DS9: "Vortex")

He served on ops when Major Kira informed Commander Sisko about the arrving Paqu faction and their tetrarch Varis Sul. Later he visited the promenade and was talking to a Bajoran woman. (DS9: "The Storyteller")

He served on ops when Commander Sisko introduced Buck Bokai and Rumpelstiltskin to the senior staff. Later he was one of the winning players at the dabo table in Quark's Bar. (DS9: "If Wishes Were Horses")

He passed Quark's Bar and visited it later while the Ambassadors Taxco, Vadosia, Lojal, and Lwaxana Troi were in the bar. (DS9: "The Forsaken")

He served in ops when the Klingon Template:ShipClass attack cruiser IKS Toh'Kaht came through the wormhole and exploded near the station and when the crew returned to normal after they'd been taken over by the Saltah'na energy spheres. (DS9: "Dramatis Personae")

After he served in ops he witnessed the destruction of Deep Space 9's school by a bomb and later Neela's assassination attempt on Vedek Bareil. (DS9: "In the Hands of the Prophets")

He was chatting with a woman on the promenade and had later a drink in the replimat, when Li Nalas was rescued and brought aboard Deep Space 9. (DS9: "The Homecoming")

He was among the Starfleet officers in Ops during Sisko's speech in 2370. (DS9: "The Siege")

He was off duty and a guest in the Klingon restaurant on the promenade in 2370. (DS9: "Melora")

He had a meal in the replimat and was later off duty, when he appeared in civilian clothing in Club Martus. (DS9: "Rivals")

He joined a fellow Starfleet officer in the replimat when Garak and Doctor Bashir met there. (DS9: "The Wire")

He visited Quark's when a brawl between the Klingon Intelligence officers and the Romulan guards started. Later he joined a female companion on the promenade. In the alternate future O'Brien experienced, he joined O'Brien on the runabout during the evacuation of Deep Space 9. (DS9: "Visionary")

He was one of the crewmembers aboard the Defiant who were secured in their quarters while a Changeling saboteur took over the control of the ship. (DS9: "The Adversary")

He was promoted to lieutenant commander in 2372.

He visited Quark's shortly before he manned a station on board the Defiant. In the following rescue mission for the Cardassian Detapa Council he was wounded in a battle with three Klingon Birds-of-Prey. He recovered and left Quark's later when the station got into red alert. (DS9: "The Way of the Warrior")

In an alternate timeline he attended the memorial service for Benjamin Sisko on the promenade. (DS9: "The Visitor")

He was on duty on board the Defiant during the meeting with the Karemma in the Gamma Quadrant. His console exploded when a Jem'Hadar fighter fired on the Defiant. He wasn't injured and able to continue his duty. (DS9: "Starship Down")

That year, he conferred with Worf while walking the station's corridors, when Worf was called by Odo and informed his brother Kurn had been shot by a Boslic freighter captain. (DS9: "Sons of Mogh")

He was a guest in Quark's when Brunt closed the establishment and took all property away from Quark. (DS9: "Body Parts")

He was off duty when he visited the promenade and talked to a civilian woman. (DS9: "Wrongs Darker Than Death or Night")

Off duty and with longer hair he visited Quark's Bar in 2375 (DS9: "Image in the Sand") and passed Ezri Dax on the second level of the promenade. (DS9: "Afterimage")

This Starfleet officer was played by regular background actor and stand-in Mark Lentry who received no credit for his appearances.
His rank pips changed several times from an ensign to a lieutenant commander.
It may be possible he served on board the Enterprise-D prior to his assignment on DS9, because a lieutenant, also portrayed by Lentry, appeared in several episodes.

Male aphasia victim

Male aphasia victim

A Starfleet officer

This Starfleet command division officer suffered from the aphasia virus in 2369. He was infected after a Bajoran device malfunctioned and infected Deep Space 9 while under Bajoran/Federation occupation. Together with a female companion he entered the infirmary and told Commander Sisko and the Doctor "View lost pile luck. Away tunnel back the garden.". (DS9: "Babel")

This Starfleet officer was played by Lee Brooks and listed as "Aphasia victim" in the end credits of the episode.

Ops lieutenant

DS9 ops lieutenant 2371

A command division lieutenant

This command division lieutenant served on ops in 2371 when Smiley abducted Commander Benjamin Sisko. Shortly before his abduction, Sisko took over the command of ops to this lieutenant. (DS9: "Through the Looking Glass")

This lieutenant was played by an unknown actor.

Smiling crewmember

Smiling crewmember, Babel

A Starfleet crewman

This Starfleet command division crewman passed Lieutenant Dax and Major Kira on the promenade in 2369. He smiled at Dax and said "Hello, lieutenant.". Dax smiled back at him and told Kira shortly after this she should get used to be a female again as she wasn't a female for over eighty years. (DS9: "Babel")

This Starfleet officer was played by Todd Feder and listed as "Federation male" in the end credits of the episode.

Starfleet Operations Division

Defiant bridge crewman (2372)

Defiant bridge crewman 2372

An operations crewman

This Starfleet operations crewman served on board the Defiant in 2372. He was assigned to an aft station on the bridge when the Defiant was on its mission to rescue the Detapa council members and was wounded when his console exploded during the Klingon attack. (DS9: "The Way of the Warrior")

This crewman was played by stunt actor Charles Grisham, who received no credit for his appearance.

Defiant operations ensign (2371)

File:Jeff Cadiente, The Adversary.jpg

An operations ensign

This Starfleet operations ensign served on board the Defiant in 2371. He was assigned to the engineering and was confronted with two changelings posing as Odo. He wasn't able to choose between the real Odo and the wrong founder and was knocked out by the Krajensky Changeling. (DS9: "The Adversary")

This Ensign was played by regular stunt actor Jeff Cadiente who received no credit for this appearance.

Defiant Security Officer (Bolian)

Bolian security officer

A Bolian security officer

This Bolian ensign served as a security officer aboard the Defiant in 2371. While hunting down a Changeling that had infiltrated the Defiant he got separated from his partner. Once the officers regrouped, paranoid about his crewmembers, this officer refused to stand down as he was ordered. He was eventually stunned by Captain Sisko and was later blood-screened by the very Changeling he was hunting, who was at that point posing as Dr. Bashir. (DS9: "The Adversary")

The Bolian security officer was played by actor Jeff Austin.

Defiant security officer (Human)

Defiant Security Officer

A Defiant security officer

This Human male was a security officer aboard the Defiant when it assisted in the search for the Krajensky Changeling which had infiltrated and sabotaged the ship in late 2371. He accompanied Captain Benjamin Sisko in a search through the Jefferies tubes and was killed when the Changeling attacked them and broke his neck. (DS9: "The Adversary")

The Human security officer was played by stunt coordinator Dennis Madalone, who received no credit for this appearance.

Defiant Vulcan

Defiant Vulcan

A Vulcan serving aboard the Defiant

This Vulcan male is seen standing in front of the spent power cells as Lieutenant Commander Jadzia Dax adds another one. (DS9: "Behind the Lines")

This Vulcan was played by regular background actor Todd E. Slayton, who received no credit for his appearance.

Defiant Weapons Officer

Defiant weapons officer

Defiant weapons officer

This Human female lieutenant junior grade served as weapons officer aboard the Defiant as well as monitoring the ship's cloaking device when the ship was sent to intercept the Cardassian vessel Prakesh and escort the Detapa Council to Deep Space 9. She was injured when the ship was forced to engage several Klingon vessels. (DS9: "The Way of the Warrior")

The Defiant weapons officer was played by stunt actress Patricia Tallman. It is unclear if this officer was killed or not.
In Diane Carey's novelization, this character's surname is given as Blake.

Female aphasia victim

Female aphasia victim

A Starfleet officer

This Starfleet operations division lieutenant suffered from the aphasia virus in 2369. She was infected after a Bajoran device malfunctioned and infected Deep Space 9 while under Bajoran/Federation occupation. Together with a male companion she entered the infirmary and told Commander Sisko and the doctor "Night, the flow trade again.". (DS9: "Babel")

This Starfleet officer was played by Kathleen Wirt and listed as "Aphasia victim" in the end credits of the episode.

Female operations division ensign

Female ensign, Emissary

A female Starfleet ensign

This female Starfleet ensign served in the operations division aboard Deep Space 9 since 2369.

She served in ops during the Cardassian attack on DS9 and the discovery of the wormhole (DS9: "Emissary") and was also present when the Bajoran terrorist Tahna Los was beamed aboard. (DS9: "Past Prologue")

She was also on duty when the security chief of the station, Odo, faced charges of murder and was hunted down by an angry mob. (DS9: "A Man Alone")

She was talking to fellow officers on the promenade while the USS Enterprise-D docked at Deep Space 9 and the senior officers visited the station. (TNG: "Birthright, Part I")

She was back in ops working on a console when Jadzia Dax was kidnapped by the Klaestrons. (DS9: "Dax")

She accompanied a male Starfleet officer on his way on the Promenade while the Ferengi Grand Nagus Zek visited the station. (DS9: "The Nagus")

She served in ops when the Miradorn Theta-class raider left the station to hunt down the Federation runabout USS Ganges. (DS9: "Vortex")

She served in ops and gave a data stick to Lieutenant Jadzia Dax shortly before Dax and O'Brien left the station for the Gamma Quadrant. (DS9: "Battle Lines")

She arrived in ops via the turbolift shortly before Commander Sisko and Major Kira headed for the arriving Paqu faction. (DS9: "The Storyteller")

When Minister Toran visited the station, she served in ops. Later she passed Nog, Jake Sisko, and the Lissepian freighter captain on the Promenade and visited Quark's Bar. (DS9: "Progress")

She visited Quark's Bar and was talking to Morn. When she left she greeted Jake Sisko friendly. Later she was winning at the dabo table like all other participants. (DS9: "If Wishes Were Horses")

She served in ops when the alien probe, dubbed "Pup" by Miles O'Brien, affected the station's computer systems (DS9: "The Forsaken") and when Odo tried to talk to Commander Sisko while the commander was taken over by a Saltah'na energy sphere. (DS9: "Dramatis Personae")

She was on duty in ops when the Kobheerian freighter Rak-Miunis requested to dock at Deep Space 9. Later she passed Kira Nerys while on her way to the infirmary. (DS9: "Duet")

This Starfleet officer visited the Promenade when a bomb destroyed the school aboard the station and when the Bajoran engineer Neela tried to assassinate Vedek Bareil Antos during his speech on the Promenade. (DS9: "In the Hands of the Prophets")

This recurring Starfleet ensign was played by regular background actress Jeannie Dreams who received no credit for her appearances.
The Star Trek Customizable Card Game gives her name as Altman. [1]

Female Vulcan officer

This female Vulcan Starfleet officer left a transport which arrived at Deep Space 9 in 2375. She was talking to another woman. (DS9: "Prodigal Daughter")

She was one of the Vulcan crewmembers eyed by Ezri Dax in 2375 after she learned that a Vulcan is the murderer of Hector Ilario, Greta Vanderweg, and Zim Brott. She was accomapnied by a male Vulcan civilian when she was walking over the promenade. (DS9: "Field of Fire")

This Vulcan officer was played by regular background actress Ivy Borg in "Prodigal Daughter" and by an unknown actress in "Field of Fire".

Human operations officer

This male Human Starfleet operations officer was assigned to Deep Space 9 between 2372 and 2375.

He was on duty in ops during the Klingon attack on Deep Space 9. His console exploded when a Klingon fired his disruptor on Worf but failed him. (DS9: "The Way of the Warrior")

Later that year he was assigned to the USS Defiant and was also the victim of an explosion. (DS9: "Paradise Lost")

He was wounded during an explosion on the bridge of the Defiant during the second Battle of Chin'toka and was among the Starfleet officers who had to leave the ship by using escape pods. (DS9: "The Changing Face of Evil")

In 2375 he was on duty on board the USS Defiant during the attack against the Dominion on Cardassia Prime. (DS9: "What You Leave Behind")

This Starfleet officer was played by stunt coordinator Dennis Madalone, who previously played another human security officer. He received no on-screen credits for all of his appearances.

Male operations division crewmember

Operations officer on promenade 2374

A male officer

This operations division officer served aboard Deep Space 9 in 2374.

He visited the promenade in in this year. (DS9: "Wrongs Darker Than Death or Night")

He was among the group of people who welcomed Captain Sisko back aboard the station in 2375. (DS9: "Shadows and Symbols")

He was on the promenade when the changeling Laas visited the place and witnessed the fight between Laas and two Klingons. (DS9: "Chimera")

This officer was played by regular background actor and stand-in Todd Slayton who received no credit for this appearance.

Male operations division officer

File:Uriah Carr, In the Cards.jpg

An operations officer

This male Starfleet officer served in the operations division on board Deep Space 9 for several years.

He was a frequent guest in Quark's, also off duty. He passed a sad Jake Sisko and Nog at the bar in 2373. (DS9: "In the Cards")

He served on the bridge of the Defiant the same year during the battle with the Dominion. Among several other officers, he listened the speech of Captain Sisko, shortly before the Federation left Deep Space 9. (DS9: "Call to Arms")

He served aboard the Defiant during the war between the Dominion and Starfleet and was among the crewmembers who were successful in their mission to destroy a Dominion facility near the Argolis Cluster. (DS9: "Behind the Lines")

Off duty he visited the promenade and talked to another crewmember. (DS9: "Wrongs Darker Than Death or Night")

He was off duty on the Promenade when Captain Sisko and the Defiant returned to Deep Space 9 after Dukat murdered Jadzia Dax. (DS9: "Tears of the Prophets")

He passed Kira and Odo on the second level of the promenade before he studied the casualty report in the wardroom. (DS9: "Image in the Sand")

He transported cargo across the promenade before he visited Quark's Bar. Later he passed Ezri Dax in a corridor and Worf's quarters. (DS9: "Afterimage")

He visited the promenade and was later talking to a Klingon at Quark's. (DS9: "Take Me Out to the Holosuite")

He served as guard for Patrick, Jack, Lauren, and Sarina Douglas outside the cargo bay and was off duty visiting Quark's later where he watched Sarina playing a dabo game. (DS9: "Chrysalis")

He was present at Quark's when Kor asked Worf for a favor (DS9: "Once More Unto the Breach") and when Rom told Quark about the missing Grand Nagus Zek. (DS9: "The Emperor's New Cloak")

He participated in a darts game in Quark's Bar and passed later Ezri Dax on the upper level of the promenade. (DS9: "Field of Fire")

He passed Odo and the changeling Laas on the promenade. (DS9: "Chimera")

He was on the promenade shortly before the USS Bellerophon left for a diplomatic mission to Romulus. (DS9: "Inter Arma Enim Silent Leges")

Together with a female officer he passed the infirmary on the promenade when Ezri Dax entered the informary. (DS9: "When It Rains...")

This recurring Starfleet officer was played by regular background actor and stand-in Uriah Carr who received no credit for his appearances.

Operations Crewman

File:Operations Crewman James Minor.jpg

A crewmember

This Starfleet officer was assigned to the operations division on board Deep Space 9.

He visited Quark's shortly before he was assigned to the Defiant and it's rescue mission for the Detapa council. On board he served in the security division and escorted the Detapa council members to sickbay. (DS9: "The Way of the Warrior")

In an alternate timeline after the death of Captain Benjamin Sisko he remained on the station and left it when the authority was given to the Klingon Empire. (DS9: "The Visitor")

He was on duty on board the Defiant during the meeting with the Karemma. He guarded Minister Hanok back to the mess hall when the Jem'Hadar attacked the Defiant. (DS9: "Starship Down")

He had a drink at Quark's shortly before Captain Sisko and Odo left the station. (DS9: "Homefront")

He took a drink in Quark's after the strike ended in 2372 and had a conversation with another Starfleet officer. (DS9: "Bar Association")

He was among the crewmembers and civilians who carried furniture into Quark's after Quark left all of his property to Brunt. (DS9: "Body Parts")

He served aboard the Defiant during the war between the Dominion and Starfleet and was among the crewmembers who were successful in their mission to destroy a Dominion facility near the Argolis Cluster. (DS9: "Behind the Lines")

He was present when Constable Odo and Major Kira had their first kiss on the promenade. (DS9: "His Way")

He visited Quark's and was talking to a female Bajoran officer (DS9: "Image in the Sand") and was among the group of people who welcomed Captain Sisko back aboard Deep Space 9. (DS9: "Shadows and Symbols")

He visited Quark's and was talking to several other bar guests. (DS9: "Afterimage")

He was talking to another civilian in front of the security office on the promenade. (DS9: "Take Me Out to the Holosuite")

He joined fellow crewmembers at Quark's and was standing at the entrance when Quark advised Ezri Dax about her relationship with Worf. (DS9: "Once More Unto the Breach")

In 2375 he visited Quark's shortly before Colonel Kira was abducted from the station. (DS9: "Covenant")

The same year he served aboard the Defiant during the final battle with the Dominion. He brought wounded crewmembers into the sickbay. (DS9: "What You Leave Behind")

This Starfleet officer was played by regular background performer and stand-in James Minor, who received no credit for his appearances.

Operations division ensign

Operations division ensign 2375

A Starfleet ensign

This Starfleet ensign served in the operations division aboard Deep Space 9.

In 2373 he was aboard the Defiant when the ship detected the planet Gaia. He was working in the engine room when Yedrin Dax and Jadzia Dax tried to find a way to save both, the Gaia inhabitants and the crew of the Defiant. He also visited his descendants on the planet's surface. (DS9: "Children of Time")

He studied the latest casualty report in the wardroom. (DS9: "Image in the Sand")

He visited Quark's Bar shortly after Ezri Dax came aboard the station (DS9: "Afterimage") and Lauren, Jack, Patrick, and Sarina Douglas visited Doctor Bashir. (DS9: "Chrysalis")

He passed Chief O'Brien and Nog at the replimat. (DS9: "Treachery, Faith and the Great River")

He joined fellow crewmembers at Quark's when the Klingon Kor asked Worf for a favor. (DS9: "Once More Unto the Breach")

He was working on ops while Ezri Dax visited her family at the New Sydney colony. (DS9: "Prodigal Daughter")

He was also at Quark's Bar while Quark and Rom saved the life of Grand Nagus Zek (DS9: "The Emperor's New Cloak") and Ezri Dax tried to find a murderer. (DS9: "Field of Fire")

He witnessed how Laas transformed himself into fog on the promenade and started a fight with two Klingons. (DS9: "Chimera")

He visited the promenade, Quark's and the replimat accompanied by a female Starfleet officer. (DS9: "Penumbra")

He was working on ops when Kai Winn Adami visited the office of Captain Sisko. (DS9: "'Til Death Do Us Part")

This recurring Starfleet officer was played by regular background actor Angus McClellan.

Operations division officer

Starfleet officer serving coffee

A Starfleet officer

Starfleet officer at Quarks 2375

A Starfleet officer

This operations division Starfleet officer served aboard Deep Space 9.

In 2373 he was aboard the Defiant and served hot drinks on the bridge when the crew located the planet Gaia. On Gaia he talked to some of his Humans|descendants. (DS9: "Children of Time")

He visited Quark's in 2375 while Captain Benjamin Sisko was on Earth (DS9: "Image in the Sand") and when Ezri Dax came aboard the station. (DS9: "Afterimage")

He was also at Quark's Bar when Doctor Bashir treated Sarina Douglas in the station's infirmary. (DS9: "Chrysalis")

He was part of Chief O'Brien's repair crew on the promenade and served later on Ops. (DS9: "Treachery, Faith and the Great River")

He had a drink with fellow crewmembers at Quark's when Kor asked Worf for a favor. (DS9: "Once More Unto the Breach")

He served aboard the USS Defiant when the ship entered the Chin'toka system and went to the planet AR-558. (DS9: "The Siege of AR-558")

He was in the mess hall of the Defiant when Kira and Odo talked about the Pah-wraiths and Dukat. (DS9: "Covenant")

He boarded a transport docked at Deep Space 9. (DS9: "It's Only a Paper Moon")

He visited Quark's Bar when Rom told his brother about the missing Grand Nagus Zek. (DS9: "The Emperor's New Cloak")

He joined fellow Starfleet officers at Quark's shortly before Hector Ilario was killed. (DS9: "Field of Fire")

He was working on ops when the senior officers talked about possibilities to help Vic Fontaine. (DS9: "Badda-Bing, Badda-Bang")

He was talking to a female Starfleet officer on the promenade shortly before Doctor Bashir left for a conference on Romulus. (DS9: "Inter Arma Enim Silent Leges")

He passed Captain Sisko in a corridor after the Defiant returned to the station. (DS9: "Penumbra")

He passed Odo and Quark on the promenade and boarded the Defiant which went into the second Battle of Chin'toka. (DS9: "The Changing Face of Evil")

After he visited the replimat he went to ops and witnessed the kiss between Bashir and Ezri Dax. (DS9: "The Dogs of War")

This Starfleet officer was played by regular background actor and later stand-in and photo double Chuck Shanks who received no credit for his appearances.

Operations Ensign

File:Operations Ensign Past Prologue.jpg

An ensign

This Starfleet ensign was stationed on board Deep Space 9 between 2369 and 2370.

He was part of the crew which cleaned and made repairs in ops when Commander Sisko arrived for the first time on Deep Space 9. (DS9: "Emissary")

He was present in ops when Doctor Julian Bashir told about his first meeting with Garak (DS9: "Past Prologue") and when Odo faced charges of murder against himself. (DS9: "A Man Alone")

He served in ops when Chief O'Brien fixed the navigational computer and later when he tried to talk to Major Kira, (DS9: "Babel") when the crew made First Contact with Tosk, (DS9: "Captive Pursuit") and when the senior staff had to deal with Q and power fluctuations. (DS9: "Q-Less")

He passed the Klaestron Ilon Tandro and two Klaestron officers on the Promenade. Later when Els Renora announced the recess during the hearing, he handled Major Kira Nerys a PADD and addressed her as "sir". (DS9: "Dax")

In the latter scene he is described as a Supernumerary.

He was on duty in ops when Kobliad Security officer Ty Kajada talked about her experiences with the criminal scientist Rao Vantika and when the Federation freighter Norkova arrived at DS9. (DS9: "The Passenger")

He was seen having a conversation with Morn at Quark's when the Wadi visited the station. Later when the senior staff of Deep Space 9 vanished he served in ops. (DS9: "Move Along Home")

He served on ops and visited the Promenade while the Ferengi Grand Nagus Zek visited the station for the first time (DS9: "The Nagus") and when a Miradorn was killed and the murderer Croden was imprisoned. (DS9: "Vortex")

He was on duty in ops when Kai Opaka arrived at Deep Space 9 and later passed her on the Promenade. (DS9: "Battle Lines")

He arrived in ops with the turbolift shortly before Commander Sisko and Major Kira headed welcoming Varis Sul aboard the station. Later, off duty, he went to the Promenade and visited Quark's Bar. (DS9: "The Storyteller")

He passed Nog, Jake Sisko, and the Lissepian freighter captain on the Promenade. (DS9: "Progress")

The same year he served on ops when the imaginations of the residents became reality. Later he visited off-duty Quark's Bar and was again on duty when O'Brien launched the class 4 probe into the subspace rupture (DS9: "If Wishes Were Horses") and when an alien probe, dubbed "Pup" by Miles O'Brien, affected the station's computer systems. (DS9: "The Forsaken")

He served on ops when the Klingon Template:ShipClass attack cruiser IKS Toh'Kaht came through the wormhole and exploded near the station and was later off-duty in civilian gear on the Promenade while most of the crew were affected by the Saltah'na energy spheres. (DS9: "Dramatis Personae")

He was present in ops when the Kobheerian freighter Rak-Miunis requested to dock at Deep Space 9. (DS9: "Duet")

After he served in ops he visited the Promenade and witnessed the destruction of the school by a bomb. He was also on the Promenade when Vedek Winn visited the aftermath and when Neela tried to assassinate Vedek Bareil. (DS9: "In the Hands of the Prophets")

He served in ops when Major Kira returned from her mission on Cardassia IV (DS9: "The Homecoming") and during Li Nalas' time as liaison officer aboard the station. (DS9: "The Circle")

He was off duty and a frequent guest on the Promenade when Melora Pazlar came aboard the station. (DS9: "Melora")

This recurring Starfleet officer was played by an unknown actor.
The Star Trek Customizable Card Game gives his name as Graham Davis.

Operations officer during attack (2369)

File:Operations officer during attack 2369, Emissary.jpg

An operations officer

This operations division Starfleet officer was among the people who were evacuated because of the Cardassian attack on DS9 in 2369. During the evacuation he was hit by several structures of the station, caused by explosions. (DS9: "Emissary")

This Starfleet officer was played by stuntman Christopher Doyle, who received no credit for this appearance.

Repair crewman

Repair crewmen in Ops

A Starfleet officer

This female Starfleet officer was part of Chief Miles O'Brien's repair team in 2369. (DS9: "Babel")

This Starfleet officer was played by an unknown actress.

Security Crewman

File:Ivor Bartels security crewman.jpg

A security crewman

This Starfleet officer was assigned to the security division on board Deep Space 9.

In 2369 he was off duty and present when Vedek Bareil arrived at Deep Space 9. Later he witnessed the assassination attempt of Bareil from Neela. (DS9: "In the Hands of the Prophets")

He passed Commander Sisko and his son on the Promenade, hours before Li Nalas came aboard the station (DS9: "The Homecoming") and was also on the Promenade when Quark informed Odo about the information he recently got from his informants. (DS9: "The Circle")

He was talking to a woman on the Promenade when Dr. Bashir welcomed Melora Pazlar on board. Later he shared a drink with the same woman in Quark's. (DS9: "Melora")

He was also talking to another Starfleet officer in front of the security office when Koloth surprised Odo. (DS9: "Blood Oath")

He visited the Promenade a short time later and passed Doctor Bashir and Garak on their way to the Replimat. (DS9: "The Wire")

He guarded the arrival of the Romulan delegates Karina and Ruwon with Lieutenant Jones and was later part of the security team which arrested the Klingons and Romulans after the brawl in Quark's. (DS9: "Visionary")

He had a drink at Quark's after the Ferengi killed the Klingon Kozak by accident. (DS9: "The House of Quark")

He guarded the bridge of the Defiant during the mission into the Gamma Quadrant and to the Omarion Nebula and helped a wounded crewmember until Doctor Bashir appeared on the bridge. (DS9: "The Die is Cast")

Also in 2371 he guarded the bridge of the Defiant, when a changeling saboteur was on board, after he was part of the phaser sweeping team. (DS9: "The Adversary")

In 2372 he was among the security officers who trained the situation when a Changeling intruded the station. Later he was part of the security officers who defended the station from the Klingon boarding party on the Promenade. (DS9: "The Way of the Warrior")

In an alternate timeline in 2372 he attended the memorial service for Benjamin Sisko on the Promenade. (DS9: "The Visitor")

He passed Dax and Sisko on the second level of the Promenade while the two officers were disgussing the strange appearance of the wormhole. Later he passed Odo, Chief O'Brien, and Doctor Bashir outside Quark's. (DS9: "Homefront")

He was among the civilians and crewmembers who listened to Gowron's speech in 2372. (DS9: "Broken Link")

This Starfleet officer was played by regular background actor and stand-in Ivor Bartels, who received no on-screen credits for his appearances.

Security Ensign (2372)

This female Starfleet ensign was assigned to the security division on Deep Space 9 in 2372.

She was on duty during the Klingon attack on DS9 and was stationed on OPS. When the Klingons attacked the station she was wounded by an explosion and felt downstairs. (DS9: "The Way of the Warrior")

She was part of the security team which beamed down to Vandros IV and was surprised by Jem'Hadar soldiers. She was killed in duty. (DS9: "To the Death")

This ensign was played by stunt actress Leslie Hoffman, who received no credit for her appearances.
In "The Way of the Warrior" she answered with "thanks", when the phaser was given to her, but this was a post production voice, not Hoffman's.

Security guard (2370)

File:Steven John Evans, The Maquis Part I.jpg

A security guard

This security officer guarded the quarters of Gul Dukat, when he was on board the station in 2370.

Niles, a Maquis member, dressed in a Starfleet uniform and diverted him and Sakonna knocked him unconscious with a Vulcan nerve pinch so Dukat could be kidnapped.

Later the guard told Odo that the kidnappers were a Vulcan female and a Human man who was dressed in an operations division uniform. (DS9: "The Maquis, Part I")

This guard was played by Steven John Evans.

Security Lieutenant 1

File:Lieutenant Scott McElroy.jpg

A Starfleet lieutenant

This Starfleet lieutenant served in the security division on board Deep Space 9 in 2373. (DS9: "The Darkness and the Light")

This security lieutenant was played by stunt actor Scott McElroy.

Security Lieutenant

File:Security Lieutenant Chester Tripp.jpg

Security lieutenant

This Starfleet lieutenant served in the security division on board Deep Space 9 between 2372 and 2373.

He was stationed on board the Defiant in 2372 when a group of Jem'Hadar came aboard. He was sitting in the mess hall and involved in a brawl between the Jem'Hadar and several Starfleet officers. Later he was part of the security away team that beamed down to Vandros IV. (DS9: "To the Death")

He was part of the security team which guarded the quarters of Kira Nerys in 2373. After the explosion in these quarters he tried to stop Kira but was knocked out by her. (DS9: "The Darkness and the Light")

Later that year he was a guest in Quark's and had a drink. He was off duty and wore civilian clothing. When Molly O'Brien went through Quark's she ran into a Ferengi waiter who fell onto him. They hit the ground. (DS9: "Time's Orphan")

This lieutenant was played by regular stuntman Chester E. Tripp III, who received no on-screen credit for his appearances.

Security Officer

Security officer aboard DS9 in 2369

A security officer

This Starfleet security officer was stationed on board Deep Space 9 between 2369 and 2370.

He was present when a Bajoran Deputy hunted down the Duras Sisters. (DS9: "Past Prologue")

This Starfleet officer defended the station from the Hunters and shot at them from the second level of the Promenade. (DS9: "Captive Pursuit")

He was talking to a fellow officer on the promenade while the USS Enterprise-D docked at Deep Space 9 and some senior officers visited the station. (TNG: "Birthright, Part I")

He visited the Promenade and passed Nog and Jake Sisko while the boys made a business deal with the Lissepian freighter captain. Later he was talking to a Bajoran deputy in Quark's. (DS9: "Progress")

He, together with Lieutenant Jones, responded to Miles O'Brien's call for security when Rumpelstiltskin appeared in his quarters. He tried to grab for the dwarf but he disappeared. Later he served as guard on ops. (DS9: "If Wishes Were Horses")

Also together with Lt. Jones he guarded the quarters of Benjamin Sisko at orders of Chief O'Brien. (DS9: "Dramatis Personae")

He was seen in Quark's shortly before Aamin Marritza was stabbed to death by Kainon. (DS9: "Duet")

This Starfleet officer served in ops before and after the bomb attack on the school. Later he witnessed the assassination attempt on Vedek Bareil on the Promenade and was present when Commander Sisko stopped the assassin, the Bajoran engineer Neela. (DS9: "In the Hands of the Prophets")

He was among the Starfleet officers in Ops during Sisko's speech in 2370. (DS9: "The Siege")

Later that year he visited Quark's. (DS9: "Cardassians")

He was a guest in Club Martus in 2370 and won a game on a gambling device. (DS9: "Rivals")

He was on duty on ops when Maquis members kidnapped Gul Dukat and had a conversation with an alien on the Promenade a day later. (DS9: "The Maquis, Part I", "The Maquis, Part II")

This security officer was played by regular background actor Kevin Grevioux who received no credit for his appearances.
The Star Trek Customizable Card Game gives his name as Taylor Moore and Mills. [2]

Security officer (2371)

Mark Riccardi, Visionary

A security officer

This Starfleet security officer guarded Quark's in 2371 after O'Brien's warnings from the future. He was involved in the following brawl between the three Klingon Intelligence officers Atul, Bo'rak, and Morka and the Romulan guards. (DS9: "Visionary")

This security officer was played by regular stuntman Mark Riccardi, who received no credit for his appearance.

Security Officer (2372-2375)

File:Kathleen Demor Security Officer.jpg

A security officer

File:Kathy Demor security officer 2.jpg

A security officer

This female Starfleet security officer was stationed on board Deep Space 9 between 2372 and 2375.

She and a male companion had a drink in Quark's and were later visiting the Promenade. Later she was part of the security team which arrested the Klingon Intelligence officers and the Romulan guards after the brawl in Quark's and guarded them at the brig. (DS9: "Visionary")

She visited Quark's and left the bar on the second level shortly before Garak's tailor shop exploded. (DS9: "Improbable Cause")

She was aboard the Defiant when a changeling saboteur took over the control of the ship. Odo ordered her to guard Chief O'Brien in engineering after the changeling attack on Lieutenant Dax. Shortly after this order she guarded Doctor Bashir during his report on the bridge. Later, she guarded the blood screening test in the mess hall. (DS9: "The Adversary")

She was present when Lieutenant Commander Worf came on board the station. Later alongside another security officer, Dukat, and Garak she guarded the Cardassian Detapa council during the Klingon attack and was wounded. (DS9: "The Way of the Warrior")

In an alternate timeline in 2372 she attended the memorial service for Benjamin Sisko on the Promenade. (DS9: "The Visitor")

She visited Quark's in the same year. (DS9: "Homefront")

She was off duty and visited the Promenade when the employees of Quark went into strike. Later she visited Quark's when the strike ended and was on duty. (DS9: "Bar Association")

She was assigned to the Defiant's security division and was part of the away team that beamed down to Vandros IV. (DS9: "To the Death")

She was talking to a civilian on the Promenade shortly before Odo morphed into a vulture. (DS9: "The Begotten")

In 2373, she was promoted to a lieutenant.

She was part of the security team that guarded Weyoun and Gul Dukat at their visit on Deep Space 9. (DS9: "Ties of Blood and Water")

In 2373, she guarded Captain Sisko for a meeting with Weyoun and later served as transporter chief on the Defiant and beamed Benjamin Sisko on board after his speech to the Bajorans and civilians. (DS9: "Call to Arms")

She was one of the officers who studied the weekly casualty reports in the wardroom. She stood guard when the Romulan Senator Vreenak visited Deep Space 9. (DS9: "In the Pale Moonlight")

She served aboard the Defiant during the first Battle of Chin'toka. (DS9: "Tears of the Prophets")

In 2375 she studied the latest casualty report in the wardroom. (DS9: "Image in the Sand")

She was a frequent guest in Quark's and on the Promenade. (DS9: "Field of Fire", "Chimera")

This security officer was played by regular background actress Kathleen Demor who received no on-screen credit for her appearances.

Security officers (2369)

These four Starfleet security officers stood guard at the Promenade outside of the security office in 2369 when an angry mob hunted Constable Odo down to his office. They've tried to calm down the angry mob and armed themselves with phasers. Commander Sisko was able to break this situation with new evidences found by Doctor Bashir. (DS9: "A Man Alone")

One of them (the first pictured one) visited Quark's for a drink at the bar when Tosk and Miles O'Brien had a drink in the bar, too. Another one (the third pictured one) was part of the security detachment which defended the station from the Promenade against the Hunters and a third one (the second pictured one) watched the Hunter and O'Brien escorting Tosk to the airlock. (DS9: "Captive Pursuit")

One of them (the second one pictured) visited Quark's Bar the same year, accompanied by a Human woman. (DS9: "The Passenger")

Two of them (the second and third pictured ones) were shopping at the Promenade when the Grand Nagus Zek retired from his position and announced Quark as the new Grand Nagus. (DS9: "The Nagus")

One of them (the second pictured one) was seen on the Promenade when Jake and Nog made a business deal with the Lissepian freighter captain. Later he participated in a dabo game and another game in Quark's Bar. (DS9: "Progress") He also visited Quark's Bar when the imaginations of the residents became reality. (DS9: "If Wishes Were Horses")

Two of them (the second and third pictured ones) assisted Major Kira and Commander Sisko in the rescue mission for the ambassadors Taxco, Vadosia, and Lojal who were trapped in a corridor after a plasma surge caused damage and a fire. (DS9: "The Forsaken")

One of these security officers (the second pictured one) visited Quark's and witnessed how Major Kira threw the Ferengi over his bar. Later he left a turbolift when Odo entered. (DS9: "Dramatis Personae")

Another one (the third pictured one) witnessed the bomb attack on Deep Space 9's school and Neela's assassination attempt on Vedek Bareil. (DS9: "In the Hands of the Prophets")

All four security officers were played by background performers who received no credit for their appearance.

Technicians in EV suits

Three repairmen in EV suits

Three technicians

These three Starfleet technicians in EV suits made repairs outside Deep Space 9. (DS9: "The Way of the Warrior")

These three technicians were computer generated.

Vulcan officer

Vulcan DS9 officer 2375

A Vulcan officer

This Vulcan operations division officer attended the ceremnoy for Ezri Dax's promotion to lieutenant j.g. in the wardroom in 2375. (DS9: "Afterimage")

This Vulcan was played by an unknown actor.

Vulcan operations officer

Vulcan operations officer

A Vulcan officer

This Vulcan Starfleet officer served in the operations division aboard Deep Space 9 in 2375.

He passed Ezri Dax on the upper level of the promenade after she saw the dead body of Hector Ilario. Later when Dax learned about the murderer of Ilario she watched the Vulcan officer sitting at Quark's and thinking that he might be the murderer. (DS9: "Field of Fire")

This Vulcan officer was portrayed by regular background actor Dan McGee who received no credit for this part.

Starfleet Sciences Division

Female medical officer

File:Unnamed medical officer reading a PADD.jpg

A female officer

This female medical officer was reading a PADD after Kurn was attacked aboard Deep Space 9. (DS9: "Sons of Mogh")

This medical officer was played by an unknown actress.

Medical officer

File:Sam Alejan, The Siege.jpg

A medical officer

This Starfleet medical officer was one of the few Starfleet officers who stayed on the station when Bajorans took control of Deep Space 9 in early 2370. (DS9: "The Siege")

In 2370 he was off duty and had a drink at Quark's, shortly before he visited Club Martus. (DS9: "Rivals")

He passed the Replimat when Kor introduced Jadzia Dax to Koloth (DS9: "Blood Oath") and was talking to several civilians on the Promenade a few days later. (DS9: "The Maquis, Part II")

He passed the infirmary when Chief O'Brien stepped into the location and was later present in Quark's when Elim Garak collapsed. (DS9: "The Wire")

He listened Quark when the Ferengi told about his glorious fight against Kozak and how he killed him. Later, he joined the bar for a drink. (DS9: "The House of Quark")

He participated in the dabo game when the brawl between the Romulans and the Klingon Intelligence officers started. Later he visited a shop on the Promenade. (DS9: "Visionary")

He was among the crewmembers aboard the Defiant who were secured in their quarters when a Changeling saboteur took control of the ship. (DS9: "The Adversary")

He came on board the station in early 2372 alongside Lieutenant Commander Worf and was one of the medical officers briefed by Doctor Julian Bashir about the upcoming Klingon boarding of the station. (DS9: "The Way of the Warrior")

In 2372, he took the payment from the striking employees of Quark's and agreed not to visit the establishment. (DS9: "Bar Association")

Along with Garak and Tora Ziyal, he used the turbolift in 2372. (DS9: "For the Cause")

He was a guest in Quark's when Brunt closed the bar and took all property away from Quark. (DS9: "Body Parts")

He was present during Gowron's speech in 2372. (DS9: "Broken Link")

He served aboard the Defiant during the war between the Dominion and Starfleet and was among the crewmembers who were successful in their mission to destroy a Dominion facility near the Argolis Cluster. (DS9: "Behind the Lines")

He left Quark's and was talking to another man. They stopped their talk when Kira and Odo had their first kiss on the Promenade. (DS9: "His Way")

He visited Quark's when the Vulcan Captain Solok challenged Captain Sisko for a baseball game (DS9: "Take Me Out to the Holosuite") and when Sarina Douglas was brought aboard the station and watched her playing dabo, hosted by M'Pella. (DS9: "Chrysalis")

He was at the replimat while Chief O'Brien and Nog had a discussion about the Captain's desk. (DS9: "Treachery, Faith and the Great River")

He visited Quark's Bar again when the Klingon Kor asked Worf for a favor. (DS9: "Once More Unto the Breach")

He left a transport which arrived at Deep Space 9 and was missing Miles O'Brien. (DS9: "Prodigal Daughter")

He passed Odo and the changeling Laas on the promenade and witnessed the following fight between Laas and two Klingons in which one of the Klingons was killed by Laas. (DS9: "Chimera")

He visited Quark's several times in 2375 and participated in dabo games. (DS9: "Afterimage", "Penumbra", "Strange Bedfellows")

He was having a drink in the Replimat and later listened the speech of Grand Nagus Zek in Quark's. (DS9: "The Dogs of War")

This Starfleet officer was played by regular extra Sam Alejan, who received no credit for his appearances.

Medical Lieutenant

File:Medical Lieutenant DS9.jpg

A Starfleet lieutenant

This Starfleet officer served in the science division on board Deep Space 9.

He was among the crewmembers aboard the Defiant who were secured in their quarters when a changeling saboteur took over the control of the ship. (DS9: "The Adversary")

He was on duty in sickbay after Rom became unsconscious and assisted Dr. Bashir in his treatment. (DS9: "Bar Association")

He served in ops in 2373. (DS9: "In the Cards")

This Starfleet officer was played by regular extra Tory Christopher, who received no on-screen credits for his appearances.
The Star Trek Customizable Card Game gives his name as Paxton Reese.

Nurse (2373-2375)

File:Nurse aboard Defiant, 2373.jpg

Aboard the Defiant

File:Starfleet nurse 2375.jpg

A nurse

This Starfleet nurse served aboard the Defiant while in orbit of Gaia. She assisted Doctor Bashir putting Odo in stasis and treating Major Kira in the sickbay. (DS9: "Children of Time")

She was present when Julian Bashir and Miles O'Brien woke up and the neural link to Luther Sloan's mind was disconnected. She helped Miles O'Brien sitting up. (DS9: "Extreme Measures")

This nurse was played by an unknown actress.

Sao Paulo science officer

Sao Paulo science officer

A science officer

This Starfleet science officer served aboard the USS Sao Paulo in 2375.

He attended the official ceremony on the bridge in which Admiral William Ross gave Captain Sisko the command of the starship. He left the bridge shortly before Ross told Sisko that another point of interest was on the PADD he gave the captain, the name change from Sao Paulo to USS Defiant. (DS9: "The Dogs of War")

This Starfleet officer was played by background actor Stephen Blackehart, who received no credit for his appearance.
On his official site, Blackehart named this officer "Lieutenant Pa'ak". [3]

Science division officer

File:Science Division Officer DeBuono.jpg

A science division officer

This female Starfleet science division officer was among the crewmembers who were collecting Tribbles on Deep Space 9's Promenade. (DS9: "Trials and Tribble-ations")

She passed a gangway on Deep Space 9 shortly before Arissa, who hid herself, tried to get access to the station's computer for a second time. (DS9: "A Simple Investigation")

This Starfleet officer was played by regular extra and stand-in Cathy DeBuono in one of her very first appearances on the series. She received no credit for it.

Science officer (2375)

File:Science officer on ops.jpg

A science officer

This Starfleet science division officer was stationed aboard Deep Space 9 in 2375. He was present on ops when General Martok told Chief O'Brien about his returned bloodwine. (DS9: "Treachery, Faith and the Great River")

This Starfleet officer was played by regular background actor Wade Kelley who received no credit for this appearance.

Vulcan science officer

Vulcan science officer DS9

A Vulcan science officer

This Vulcan Starfleet officer served in the science division on board Deep Space 9 in 2372.

During the strike of the employees of Quark's O'Brien saw her and told Julian Bashir that she'll not join Quark's during the strike. He was right, she passed the establishment. (DS9: "Bar Association")

This Vulcan Starfleet officer was played by T. Peterson who previously played the Vulcanoid nurse on the USS Voyager in the pilot "Caretaker". It is impossible that this is the same character because the Voyager nurse died in 2371.

Wounded science officer (2373)

File:Robert Hewitt Wolfe, Call to Arms.jpg

A science officer

This Starfleet science officer was wounded during the Dominion attack on Deep Space 9 in 2373. An operations division officer helped him on board the Defiant when Captain Sisko ordered the evacuation of Deep Space 9. (DS9: "Call to Arms")

This Starfleet officer was played by Star Trek writer Robert Hewitt Wolfe in a cameo role.

Dual branches

Command/ Operations Lieutenant

File:Operations Lieutenant DS9 2.jpg

A lieutenant in 2371

File:Operations Lieutenant DS9.jpg

A lieutenant in 2373

File:DS9 operations lieutenant 2375.jpg

A lieutenant in 2375

This Starfleet lieutenant served in the operations division on Deep Space 9 for several years. Prior to the operations division he was assigned to the command division for a short time.

In 2371 he was among the group of Starfleet officers, Bajorans, and civilians, who listened to Quark when he told the story how he killed the Klingon Kozak. Later he had a drink at the Replimat and Quark's and played dabo. (DS9: "The House of Quark")

He served aboard the Defiant when Commander Sisko, Lieutenant Dax, and Doctor Bashir were accidentally beamed through time and changed the history of the Federation. (DS9: "Past Tense, Part I")

He guarded the sickbay when Dukat entered it. (DS9: "Apocalypse Rising")

He also served as guard at the airlock when Kai Winn arrived at the station. (DS9: "Rapture")

He had a drink at Quark's when Odo first met Arissa. (DS9: "A Simple Investigation")

In 2373 he served in the engine room aboard the Defiant when Yedrin Dax and Jadzia Dax worked on a way to save the Defiant crew and the Gaia inhabitants. He later visited his descendants on the planet's surface. (DS9: "Children of Time")

He visited Quark's and had a game at the dabo table. (DS9: "Blaze of Glory")

In 2373 he manned the helm of the Defiant in a battle against the Dominion. He listened to the speech of Captain Sisko and left Deep Space 9 when the retreat of Starfleet was ordered. (DS9: "Call to Arms")

He served aboard the Defiant during the war between the Dominion and Starfleet and was among the crewmembers who were successful in their mission to destroy a Dominion facility near the Argolis Cluster. (DS9: "Behind the Lines")

He was a guest on Jadzia Dax's bachelorette party. (DS9: "You Are Cordially Invited")

He attended the memorial for Morn from outside of Quark's in 2374 and was later a guest in Quark's. (DS9: "Who Mourns for Morn?")

Alongside Broik and several others he came out of Quark's and watched the first kiss of Odo and Kira on the Promenade. (DS9: "His Way")

After he visited Quark's he served aboard the Defiant during the first Battle of Chin'toka. He was also present in ops when Captain Sisko left the station after the death of Jadzia Dax. (DS9: "Tears of the Prophets")

He returned aboard the Defiant from a patrol mission and was shortly after seen in civilian clotihing passing Kira and Odo on the promenade. Later he visited Quark's. (DS9: "Image in the Sand")

Off duty he visited the replimat shortly after Ezri Dax came aboard the station. (DS9: "Afterimage")

He passed Sarina Douglas and Doctor Bashir on the second level of the promenade and was later watching Sarina playing a dabo game, hosted by M'Pella. (DS9: "Chrysalis")

He was working on the bridge of the Defiant when the ship was attacked by Jem'Hadar battle cruisers in orbit of AR-558. (DS9: "The Siege of AR-558")

He visited Quark's Bar shortly before Colonel Kira was abducted by Vedek Fala. (DS9: "Covenant")

In 2375 he visited Quark's Bar and witnessed how Ezri Dax attacked Ensign Bertram. Later, when he was sitting in his quarters, Ezri Dax pointed her TR-116 rifle on him while being influenced by Joran Dax. (DS9: "Field of Fire")

He was on the promenade when the changeling Laas came aboard and transformed himself into fog following a deadly discussion with two Klingons. (DS9: "Chimera")

He was watching the senior officers walking into Quark's during their mission saving Vic Fontaine. (DS9: "Badda-Bing, Badda-Bang")

He enjoyed a drink at Quark's Bar and was passed by Garak and Doctor Bashir on their way to the replimat. (DS9: "Inter Arma Enim Silent Leges")

He visited Quark's Bar while Ezri Dax and Worf were missing. (DS9: "Strange Bedfellows")

He was stationed aboard the Defiant and had to leave the ship byusing escape pods during the second Battle of Chin'toka. (DS9: "The Changing Face of Evil")

He was seen on the promenade shortly before he witnessed Brunt's behavior at Quark's. Later he passed Ezri Dax in a corridor, carrying a case. (DS9: "The Dogs of War")

He served aboard the Defiant during the final battle against the Dominion in 2375 and manned a bridge station. (DS9: "What You Leave Behind")

This recurring lieutenant was played by regular background actor Dan McGee, who received no credit for his appearances.

Ensign

Command Ensign Babel

A command division ensign in ops

Operations ensign 2369

...and serving in the operations division

This Starfleet ensign was stationed on board Deep Space 9 in 2369.

He served on ops during the Cardassian attack under the command of Gul Jasad in 2369 and assisted Chief O'Brien in repairs. Later, he was part of the DS9 residents who were evacuated. (DS9: "Emissary")

He was on duty when the Bajoran Khon-Ma terrorist Tahna Los was beamed aboard and Commander Sisko had to deal with the Cardassian Gul Danar. (DS9: "Past Prologue")

He visited the Promenade and was later on duty in ops when Odo faced charges of murder. After he carried chairs in Keiko O'Brien's new school on board the station, he accompanied Commander Sisko to the Promenade to calm down the mob which wanted Odo's death. (DS9: "A Man Alone")

He was present on ops when Chief O'Brien fixed the navigational computer and later when Chief O'Brien tried to talk to Major Kira. (DS9: "Babel")

Switched to the operations division he served on ops when the crew made First Contact with Tosk (DS9: "Captive Pursuit") and had to deal with Q and power fluctuations. (DS9: "Q-Less")

After he worked on ops he visited Quark's and was suspiciously eyed by Constable Odo. (DS9: "Dax")

He was also present when Kobliad Security officer Ty Kajada talked about her experiences with the criminal scientist Rao Vantika (DS9: "The Passenger") and when the senior staff of Deep Space 9 vanished while the Wadi visited the station. (DS9: "Move Along Home")

He took part in a dabo game at Quark's while Quark made a business deal with two Miradorn. (DS9: "Vortex")

He served on ops when Doctor Bashir informed Commander Sisko that Kai Opaka arrived at the station (DS9: "Battle Lines") and when Major Kira informed Commander Sisko about the arriving Paqu delegation. (DS9: "The Storyteller")

He also served on ops when Minister Toran had a meeting with Commander Sisko in his office and Major Kira later joined the two (DS9: "Progress") and when the crew and residents experienced their imaginations became reality. (DS9: "If Wishes Were Horses")

He was present in Quark's Bar when a Dopterian thief robbed several patrons, including Lwaxana Troi. Later he served on ops when an alien probe, dubbed "Pup" by Chief O'Brien, affected the station's computer systems. (DS9: "The Forsaken")

This recurring Starfleet officer was played by an unknown actor.

Science officer

File:Science officer Brian Demonbreun.jpg

A science officer at the helm...

Brian Demonbreun security officer

...as a temporary security officer...

Science officer in civilian clothing

...and in civilian clothing

This Starfleet science officer was stationed on board Deep Space 9 between 2369 and 2375. He was mainly assigned to the science division, but occasionally joined the command division and operations division of the station. He was sometimes on duty on OPS and served also on the USS Defiant. He was also seen several times in civilian clothing and was a frequent guest in Quark's Bar.

He visited Quark's Bar when Kira Nerys and Chief O'Brien closed the establishment and the Cardassian officers had to leave and take their latinum with them (DS9: "Emissary") and witnessed Odo's talks with the Duras sisters who, after they arrived on the station, refused to give their weapons away. (DS9: "Past Prologue")

He was seen talking to a woman near an airlock in which three Federation members were imprisoned by accident while Chief O'Brien had a discussion with Captain Jaheel. (DS9: "Babel")

He visited the promenade and passed the replimat while the USS Enterprise-D docked at Deep Space 9 and Worf and Geordi La Forge had lunch at the replimat. (TNG: "Birthright, Part I")

He was a guest at Quark's when Q created a boxing fight between himself and Commander Sisko (DS9: "Q-Less") and while Grand Nagus Zek visited the station for the first time. (DS9: "The Nagus")

He same year he was a frequent visitor of the Promenade and witnessed Chief O'Brien's anger against a stubborn Bajoran vendor, the arrival of a group of orthodox Bajorans, the destruction of the school by a bomb, Vedek Winn Adami's visit to the aftermath, and the assassination attempt on Vedek Bareil by Neela. (DS9: "In the Hands of the Prophets")

He was on duty on the Promenade shortly before he spent his free time as a guest in Club Martus. (DS9: "Rivals")

He was on duty in the infirmary and participated in the treating of Garak and his cranial implant along Doctor Bashir and nurse Jabara. (DS9: "The Wire")

He visited a shop on the Promande and joined later fellow crewmembers in Quark's when the brawl between the Klingon Intelligence officers and the Romulans started. He escaped the brawl and visited the Promenade shortly after this incident. (DS9: "Visionary") Shortly after this incident he visited the Promenade and witnessed the desctruction of Garak's tailor shop. (DS9: "Improbable Cause") During the following mission into the Gamma Quadrant, he served on the Defiant bridge and witnessed the Romulan/Cardassian attack in the Omarion Nebula. (DS9: "The Die is Cast")

He visited Quark's shortly before Lieutenant Commander Worf came on board the station. Later he reacted when the red alert resounded. Later he was temporary assigned to the security division and served alongside another security officer as guard for the Detapa Council. He was wounded in the shootout and hand-to-hand combat with the Klingons. (DS9: "The Way of the Warrior")

In an alternate timeline in 2372, he attended the memorial service for Benjamin Sisko on the Promenade. (DS9: "The Visitor")

He was on board the Defiant in 2372 during the meeting with the Karemma in the Gamma Quadrant and had to leave sickbay. Shortly after this the whole deck 2 was closed and locked because of a hull breach. After the Jem'Hadar attack cruiser were destroyed he rescued Dr. Bashir and Lt. Cmdr. Dax. (DS9: "Starship Down")

The same year he witnessed the strange appearance of the wormhole from the second level of the Promenade. (DS9: "Homefront")

He was among the crewmembers and civilians who carried furniture into Quark's after Quark left all of his property to Brunt and the FCA. (DS9: "Body Parts")

He was working in a cargo bay and transported some containers. (DS9: "A Simple Investigation")

It is possible that the character in this episode who was played by Demonbreun was a different because he wore civilian clothing and looks more like a member of the freighter personnel.

In 2373 he was aboard the Defiant when the crew detected the planet Gaia. He served on the bridge. (DS9: "Children of Time")

In 2374, he served as helmsman of the Defiant under the command of Jadzia Dax. (DS9: "Favor the Bold")

The same year he witnessed the emotional behavior of Major Kira on ops. (DS9: "Wrongs Darker Than Death or Night")

He was one of the officers who studied the weekly casualty reports from Starfleet in the wardroom. (DS9: "In the Pale Moonlight")

He was off duty on the Promenade when Odo and Kira had their first kiss. (DS9: "His Way")

After he visited Quark's he served aboard the Defiant during the first Battle of Chin'toka. Following the death of Jadzia Dax the Defiant returned to Deep Space 9. He was on ops when Captain Sisko left the station. (DS9: "Tears of the Prophets")

He returned to Deep Space 9 aboard the Defiant in early 2375 and was reading the latest casualty report in the wardroom. (DS9: "Image in the Sand")

He joined fellow crewmembers at Quark's and was standing at the entrance when Quark advised Ezri Dax about her relationship to Worf. (DS9: "Once More Unto the Breach")

He was working on ops when Captain Sisko learned about the undercover mission of Miles O'Brien. (DS9: "Prodigal Daughter")

He had a drink at Quark's and stood next to Morn shortly before Quark and Rom smuggled a cloaking device to the mirror universe station Terok Nor. (DS9: "The Emperor's New Cloak")

When security found Hector Ilario dead in his quarters, he was one of the officers who secured the area and the corridor. (DS9: "Field of Fire")

He was working on ops when the senior staff talked about a plan to help Vic Fontaine. (DS9: "Badda-Bing, Badda-Bang")

He visited the replimat and had a drink with a Bajoran officer while Garak and Dr. Bashir spoke about the diplomatic mission to Romulus. (DS9: "Inter Arma Enim Silent Leges")

He was working on ops when Kai Winn Adami visited Captain Sisko in his office. (DS9: "'Til Death Do Us Part")

He was also present in Quark's when Miles O'Brien and Julian Bashir built their Alamo model at the bar. (DS9: "The Changing Face of Evil")

He was on duty on ops when Kira Nerys received her orders from Captain Sisko to work with Damar (DS9: "When It Rains...") and when the "new" USS Defiant arrived at the station. (DS9: "The Dogs of War")

This recurring officer was played by regular background performer Brian Demonbreun who appeared throughout the run of Deep Space Nine, but was never credited.
In most of his appearances he wore a science division uniform but in several episodes he was also seen in a command division uniform or temporary in a security division uniform. Demonbreun said he owned two uniforms like most of the background performers.
It is possible that this character is Lieutenant Andrew Powell, also played by Brian Demonbreun, seen in the Star Trek: The Next Generation episode "All Good Things...". Although both worked in the science division it was never mentioned that they are the same person.

Unknown branches

Communications officer (2369)

This officer informed Commander Benjamin Sisko about a subspace message from Constable Odo from Klaestron IV in 2369. (DS9: "Dax")

Listed as ND voice-over in the cast list of the episode, this voice was provided by an unknown actor.
It may also be possible that the voice belongs to a Bajoran officer.

Security officer over com (2369)

This security officer acknowledged when Odo ordered a security team to level twenty-one, section ten to search for a subspace crossover link. (DS9: "The Passenger")

This security officer was voiced by an unknown actor and said only one word.
It might be possible that this voice belongs to a Bajoran security deputy.

Security officer responding O'Brien

This security officer acknowledged Chief O'Brien's call for security and the intruder alert after Rumpelstiltskin appeared in Molly's bedroom. He sent Lieutenant Jones and another security officer to O'Brien's quarters. (DS9: "If Wishes Were Horses")

This security officer was voiced by an unknown actor.
He was listed as "Voice" in the cast list of the script.

Yukon personnel

Yukon personnel aboard the USS Yukon in 2373 who were killed when the Yukon was destroyed by the Bashir Changeling's bomb. (DS9: "By Inferno's Light")

While they certainly died in the destruction of the Yukon, it is possible they were already dead when the runabout left the station.

See also

In the following categories are several individuals who also resides on Deep Space 9.

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