Capt. Ed Mercer
Cmdr. Kelly Grayson
Dr. Claire Finn
Lt. Gordon Malloy
Lt. Cmdr. Bortus
Lt. Cmdr. Talla Keyali
Lt. Cmdr. John LaMarr (as J Lee)
Isaac
Ensign Charly Burke
Admiral Halsey
Admiral Perry
Teleya
Krill Ambassador
Admiral Ozawa
President Alcuzan
Speria Balask
Supreme Chancellor Korin
Krill Caretaker
Comm. Voice (voice)
Senator Gowan (voice)
Krill Dignitary
Anaya - Krill Girl
Krill Soldier #1
Grand High Priest
Xelayan Annie
Krill Commander (as Daniel Kash)
Krill Proprietor (as George Pete Caleodis)
Krill Aide
Krill Panel Operator
Krill Boy (as River Dorsche)
Krill Man
Krill Woman #2
Grand High Priest (voice)
Krill Dignitary (voice)
Krill Cmndr. / Krill Panel Operator (voice)
Security Crewman Michaels (uncredited)
Saloon Girl (uncredited)
Miss Grace (uncredited)
Annie Ensemble (uncredited)
Alien Daddy Warbucks (uncredited)