(covers information from several alternate timelines)
In 2373, Foster was ordered by Tuvok to take Vel, a member of the terrorist organization Open Sky, to Chakotay so that he could give Chakotay the codes and directions to the Akritirian maximum security detention facility where Tom Paris and Harry Kim were being held. (VOY: "The Chute")
She visited the Paxau Resort when Kes experienced one of her timeshifts and witnessed the Krenim attack on Voyager. Later, in the normal timeline, she attended the party for Kes at the Paxau Resort holoprogram. (VOY: "Before and After")
Foster appeared as a hologram in the worse case scenario simulation where she fired several times at the Maquis but was shot herself by the holographic recreation of Seska. (VOY: "Worst Case Scenario")
She guarded Seven of Nine and brought her into the captain's ready room where Commander Chakotay discussed the further alliance with the Borg. Later, she escorted her back to cargo bay 2. (VOY: "Scorpion, Part II")
She assisted Tuvok in guarding Seven of Nine in sickbay after the Borg was disconnected from the Borg hive mind in 2374. She later also guarded Seven of Nine when she was held in the brig. (VOY: "The Gift")
In an alternate timeline created by the Krenim Annorax by using his temporal weapon ship, she was among the crewmembers evacuated from sickbay and deck 5 shortly before the deck blew off. Later, she treated the wounded crewmembers in the triage mess hall and listened to Captain Janeway's speech before the crewmembers left Voyager aboard the escape pods. (VOY: "Year of Hell")
- "Meld" (Season 2)
- "The Thaw"
- "The Chute" (Season 3)
- "The Swarm"
- "Sacred Ground"
- "Future's End, Part II"
- "Alter Ego"
- "Before and After"
- "Distant Origin"
- "Worst Case Scenario"
- "Scorpion, Part II" (Season 4)
- "The Gift"
- "Scientific Method"
- "Year of Hell"
- "Living Witness"
- "Night" (Season 5)
- "The Voyager Conspiracy" (Season 6)
- "Flesh and Blood" (Season 7)
Crewman Foster was played by recurring background actress Damaris Cordelia who received no credit for her appearances.
She was identified in dialogue as Crewman Foster in the episode "The Chute".