Mad scientist turns a man into an electrically-controlled monster to do his bidding.

Lon Chaney Jr.as Dan McCormick
Lionel Atwillas Dr. Paul Rigas
Anne Nagelas June Lawrence
Frank Albertsonas Mark Adams
Samuel S. Hindsas Dr. John Lawrence
William B. Davidsonas District Attorney Ralph B. Stanley
Ben Taggartas Detective Sergeant Regan
Constance Bergenas Nurse
Ivan Milleras Doctor
Chester Ganas Chinese Boy, Wong