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")
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")
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")
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 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")
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")
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 visited a shop on the Promenade 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 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")
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.