預告片
演員
James Blaine
Charlie, Prison Guard (uncredited)
Ben Taggart
Detective Sergeant Regan
Constance Bergen
Nurse
John Dilson
Medical Examiner
Frank O'Connor
Detective
Samuel S. Hinds
Dr. John Lawrence
David Sharpe
Hay Wagon Passenger (uncredited)
Lon Chaney Jr.
Dan McCormick
Anne Nagel
June Lawrence
William B. Davidson
District Attorney Ralph B. Stanley
Chester Gan
Chinese Boy, Wong
Byron Foulger
Alienist #2
William Hall
Mike - Dynamo Operator (uncredited)
Bob Reeves
Prison Guard (uncredited)
Frank Albertson
Mark Adams
Ivan Miller
Doctor
George Meader
Dr. Bruno
Russell Hicks
Warden Harris (uncredited)
Jessie Arnold
Mrs. Frank Davis (uncredited)
Douglas Evans
Police Radio Announcer (uncredited)
Lionel Atwill
Dr. Paul Rigas