Capt. Ed Mercer
Cmdr. Kelly Grayson
Dr. Claire Finn
Lt. Gordon Malloy
Lt. Cmdr. Bortus
Lt. Alara Kitan
Lt. John LaMarr (as J Lee)
Isaac
Klyden
Steve Newton
Hamelac
Kemka
Tomilin
Yaphit (voice)
Computer (voice)
Woman
Security Station Officer
Druyan Captain
Alien Man
Uniformed Man #1
Uniformed Man #2
Guard #1
Dissident
Jahavus Dorahl (uncredited)