Cast
Gene Barry
Clayton Forrester
Ann Robinson
Sylvia Van Buren
Lewis Martin
Matthew Collins
Les Tremayne
General Mann
Frank Kreig
Fiddler Hawkins (uncredited)
Vernon Rich
Ralph Heffner
Sandro Giglio
Dr. Bilderbeck
Ann Codee
Dr. Duprey (uncredited)
Robert Cornthwaite
Dr. Pryor
Cedric Hardwicke
Commentary (voice)
Crew
Edith Head
Costume Design
Chesley Bonestell
Technical Advisor
Marcel Delgado
Modeling
Michael D. Moore
Assistant Director
Emile Kuri
Set Decoration
Barré Lyndon
Screenplay
Jimmie Dundee
Stunts
Chester Pate
Special Effects
Howard Beals
Sound Effects
Robert S. Richardson
Technical Advisor
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