Mary Crosby
Princess Karina
John Carradine
Supreme Commander
Alan Caillou
Count Paisley
Daryl Keith Roach
Fitzcairn / Prisoner
Gary Brockette
Percy the Robot
Bonnie Campbell-Britton
Dara
Shane McCamey
Templar Crewman
Ralph Meyering Jr.
Templar Crewman
Myron Natwick
Karina's Father
Sander Johnson
Political Prisoner
Steffen Zacharias
Prisoner
Lloyd Gordon
Dancer (uncredited)
Marian Green
Fighter at Pirates' Den (uncredited)
Jean Malahni
Fighter at Pirates' Den (uncredited)
Ira S. Rosenstein
The Monk (uncredited)
Ron Taylor
Pimp Robot (voice) (uncredited)