Cast

Edward G. Robinson

Professor Richard Wanley

Joan Bennett

Alice Reed

Raymond Massey

Dist. Attorney Frank Lalor

Edmund Breon

Dr. Michael Barkstane

Dan Duryea

Heidt / Tim, the Doorman

Thomas E. Jackson

Inspector Jackson

Dorothy Peterson

Mrs. Wanley

George McFarland

Boy Scout who finds Mazard's Body (uncredited)

Robert Blake

Dickie Wanley (uncredited)

Arthur Loft

Claude Mazard / Frank Howard / Charlie the Hatcheck Man

Crew

Nunnally Johnson

Screenplay (Writing)

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J.H. Wallis

Novel (Writing)

Fritz Lang

Director (Directing)

Nunnally Johnson

Producer (Production)

Hugo Friedhofer

Music (Sound)

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Arthur Lange

Original Music Composer (Sound)

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Charles Maxwell

Music (Sound)

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Richard Harlan

Assistant Director (Directing)

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Paul K. Lerpae

Special Effects (Crew)

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Earl B. Mounce

Music (Sound)