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