Mad scientist turns a man into an electrically-controlled monster to do his bidding.
Dan McCormick
Dr. Paul Rigas
June Lawrence
Mark Adams
Dr. John Lawrence
District Attorney Ralph B. Stanley
Detective Sergeant Regan
Nurse
Doctor
Chinese Boy, Wong
Dr. Bruno
Detective
Medical Examiner
Alienist #2
Mrs. Frank Davis (uncredited)
Charlie, Prison Guard (uncredited)
Radio Announcer (uncredited)
Jury Foreman (uncredited)
Assistant District Attorney (uncredited)
Police Radio Announcer (uncredited)
Reporter (uncredited)
Mike - Dynamo Operator (uncredited)
Warden Harris (uncredited)
Judge (uncredited)
Detective (uncredited)
Prison Guard (uncredited)
Defense Attorney (uncredited)
Frank Davis (uncredited)
Prison Chaplain (uncredited)
Hay Wagon Passenger (uncredited)
Dynamo Operator #2 (uncredited)
Corky the Dog (uncredited)
