Mad scientist turns a man into an electrically-controlled monster to do his bidding.
Lon Chaney Jr.
as Dan McCormick
Lionel Atwill
as Dr. Paul Rigas
Anne Nagel
as June Lawrence
Frank Albertson
as Mark Adams
Samuel S. Hinds
as Dr. John Lawrence
William B. Davidson
as District Attorney Ralph B. Stanley
Ben Taggart
as Detective Sergeant Regan
Constance Bergen
as Nurse
Ivan Miller
as Doctor
Chester Gan
as Chinese Boy, Wong
George Meader
as Dr. Bruno
Frank O'Connor
as Detective
