Cast

Gene Barry

Dr. Clayton Forrester

Ann Robinson

Sylvia Van Buren

Lewis Martin

Pastor Dr. Matthew Collins

Les Tremayne

Maj. Gen. Mann

Frank Kreig

Fiddler Hawkins (uncredited)

Vernon Rich

Col. Ralph Heffner

Sandro Giglio

Dr. Bilderbeck

Ann Codee

Dr. Duprey (uncredited)

Robert Cornthwaite

Dr. Pryor (as Bob Cornthwaite)

Cedric Hardwicke

Commentary (voice) (as Sir Cedric Hardwicke)

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)