Cast

Boris Karloff

Dr. John Garth

Evelyn Keyes

Martha Garth

Bruce Bennett

Dr. Paul Ames

Don Beddoe

Capt. McGraw

Edward Van Sloan

Dr. Ralph Howard

Ben Taggart

Warden Thompson

Pedro de Cordoba

Victor Sondini

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Wright Kramer

George Wharton

Bertram Marburgh

Stephen Barclay

Robert Fiske

District Attorney

Crew

Nick Grindé

Director (Directing)

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Robert Hardy Andrews

Story (Writing)

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Robert Hardy Andrews

Screenplay (Writing)

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Karl Brown

Story (Writing)

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Charles Nelson

Editor (Editing)

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Lionel Banks

Art Direction (Art)

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Benjamin H. Kline

Director of Photography (Camera)

Wallace MacDonald

Producer (Production)

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Clay Campbell

Makeup Artist (Costume & Make-Up)

Morris Stoloff

Music Director (Sound)