Cast

John Archer

Jim Barnes

Warner Anderson

Dr. Charles Cargraves

Tom Powers

General Thayer

Dick Wesson

Joe Sweeney

Erin O'Brien-Moore

Emily Cargraves

Steve Carruthers

Businessman at Meeting (uncredited)

Franklyn Farnum

Factory Worker (uncredited)

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Jack Gargan

Businessman at Meeting (uncredited)

Everett Glass

Mr. La Porte (uncredited)

Kenner G. Kemp

Businessman at Meeting (uncredited)

Crew

Robert A. Heinlein

Screenplay (Writing)

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Alford Van Ronkel

Screenplay (Writing)

Irving Pichel

Director (Directing)

George Pal

Producer (Production)

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James O'Hanlon

Screenplay (Writing)

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Duke Goldstone

Editor (Editing)

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Lionel Lindon

Director of Photography (Camera)

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George Sawley

Set Decoration (Art)

Leith Stevens

Original Music Composer (Sound)

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Lee Zavitz

Special Effects (Crew)