Cast

Donald Meek

Dr. Crabtree

John Hamilton

Inspector Carr

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Joanna Roos

Amy Beck

Harry Mestayer

Grandfather Beck

Paul Guilfoyle

Paul Beck

Lee Tung Foo

Wang Yun

Maurice Cass

Dr. David Turet (uncredited)

Crew

Burnet Hershey

Adaptation (Writing)

S.S. Van Dine

Novel (Writing)

Joseph Henabery

Director (Directing)

Edwin B. DuPar

Director of Photography (Camera)