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 (Costume & Make-Up)

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Chesley Bonestell

Technical Advisor (Crew)

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Marcel Delgado

Modeling (Visual Effects)

Michael D. Moore

Assistant Director (Directing)

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Emile Kuri

Set Decoration (Art)

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Barré Lyndon

Screenplay (Writing)

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Jimmie Dundee

Stunts (Crew)

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Chester Pate

Special Effects (Crew)

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Howard Beals

Sound Effects (Sound)

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Robert S. Richardson

Technical Advisor (Crew)