Princess Marcuzan
Marilyn Hanold
Dr. Steele
James Karen
Dr. Nadir
Lou Cutell
Karen Grant
Nancy Marshall
General Bowens
David Kerman
Col. Frank Saunders / Frankenstein
Robert Reilly
Martian Crewmember (uncredited)
Robert Alan Browne
Reporter (uncredited)
Robert Fields
Martian Crewmember / The Monster (uncredited)
Bruce Glover
Producer
Robert McCarty
Sound Director
Maurice Rosenblum
Costume Design
Anna Hill Johnstone
Makeup Artist
John Alese
Director
Robert Gaffney
Director of Photography
Saul Midwall
Editor
Lawrence C. Keating
Story
George Garrett
Associate Producer
Stanley P. Darer
Executive Producer
Alan V. Iselin