The following is a list of individuals from Yost's species.
Named
Unnamed
Marauders
These two marauders were like Noss stranded on a desert planet after they were caught by a gravity and their ship crashed on the planet. They attacked Noss after she stole several pieces of technology from the shuttle piloted by Tom Paris and Tuvok. During the following fight Tuvok was able to knock both of them unconscious. (VOY: "Gravity")
Played by Tom Morga
Played by an unknown stunt performer
Tsunkatse spectators
In 2376, several members of Yost's species could be seen in the audience during a game of Tsunkatse. (VOY: "Tsunkatse")
The aliens were played by unknown performers.