Cast

Sally Eilers

Claire Martel

Donald Woods

Joel Grant / Joseph Elmer

Eduardo Ciannelli

Dr. Victor Martel

Victor Kilian

Guissart

Charles Halton

Commandant

Dick Curtis

Jules

John Tyrrell

Gerault

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Eddie Laughton

Brisson

Edmund Cobb

Quarry Guard

Robert Warwick

Governor

Crew

Lew Landers

Director (Directing)

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Edgar Van Eyss

Story (Writing)

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Karl Brown

Screenplay (Writing)

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Otto Eis

Story (Writing)