Mad scientist turns a man into an electrically-controlled monster to do his bidding.
Lon Chaney Jr.
Dan McCormick
Lionel Atwill
Dr. Paul Rigas
Anne Nagel
June Lawrence
Frank Albertson
Mark Adams
Samuel S. Hinds
Dr. John Lawrence
William B. Davidson
District Attorney Ralph B. Stanley
Ben Taggart
Detective Sergeant Regan
Constance Bergen
Nurse
