Former crewman Kes returns to exact revenge on Captain Janeway and the crew, betraying the ship to the Vidiians, alien life forms that will absorb the crew's internal organs.

Jennifer Lien (Kes)
Nancy Hower (Ensign Samantha Wildman)
Scarlett Pomers (Naomi Wildman)
Vaughn Armstrong (Vidiian Captain)
Josh Clark (Lt. Joe Carey)
Kurt Wetherill (Azan)
Cody Wetherill (Rebi)
Tarik Ergin (Lt. Ayala)

• Kes hasn't been seen since her departure in the fourth season episode "The Gift".
  
• The Vidiians were introduced in the first season episode "Phage".
  
• Kes returns back in time to the point when Voyager had been in the Delta Quadrant 57 days.
  
• Assistant Chief Engineer Joe Carey hasn't been seen since the Season 5 episode "Relativity", which was also a flashback episode.
  
• Tarik Ergin's character, Ayala, was credited as "Security Guard".