Cast

David Hedison

Andre Delambre

Patricia Owens

Helene Delambre

Vincent Price

François Delambre

Herbert Marshall

Insp. Charas

Kathleen Freeman

Emma

Betty Lou Gerson

Nurse Andersone

Charles Herbert

Philippe Delambre

Eugene Borden

Dr. Ejoute (uncredited)

George Calliga

Club Member (uncredited)

Harry Carter

Orderly (uncredited)

Crew

Kurt Neumann

Director (Directing)

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Paul Sawtell

Original Music Composer (Sound)

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Merrill G. White

Editor (Editing)

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Robert L. Lippert

Producer (Production)

Karl Struss

Director of Photography (Camera)

James Clavell

Screenplay (Writing)

Kurt Neumann

Producer (Production)

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George Langelaan

Story (Writing)

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Theobold Holsopple

Art Direction (Art)

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Lyle R. Wheeler

Art Direction (Art)