Robert Urich
Jason
Mary Crosby
Princess Karina
Michael D. Roberts
Roscoe
Anjelica Huston
Maida
John Matuszak
Killjoy
Ron Perlman
Zeno
John Carradine
Supreme Commander
Natalie Core
Nanny
Jeremy West
Zorn
Bruce Vilanch
Wendon
Marcia Lewis
Frog Lady
Daryl Keith Roach
Fitzcairn / Prisoner
Robert Symonds
Lanky Nibs
Rockne Tarkington
Patch
Ian Abercrombie
Hymie
Hank Worden
Elderly Jason
Carmen Filpi
Vendor
Myron Natwick
Karina's Father
Richard Young
Debs
Steffen Zacharias
Prisoner
Lloyd Gordon
Dancer (uncredited)
Marian Green
Fighter at Pirates' Den (uncredited)
Ron Taylor
Pimp Robot (voice) (uncredited)
Alan Caillou
Count Paisley
Gary Brockette
Percy the Robot
Dolores Albin
Old Karina
Bonnie Campbell-Britton
Dara
John Gillespie
Dogbite
Patty Maloney
Waitress
Shane McCamey
Templar Crewman
Ralph Meyering Jr.
Templar Crewman
Raymond Skipp
Doper
Debra Troyer
Blonde Girl
Diana Webster
Seamstress
Sander Johnson
Political Prisoner
Jean Malahni
Fighter at Pirates' Den (uncredited)
Ira S. Rosenstein
The Monk (uncredited)