The discovery of a perfectly preserved caveman prompts a mad scientist to attempt a daring brain transplant.
as Prof. Dexter
as Prof. John Gilmore
as Ape Man
as Anne Gilmore
as Steve Rogers
as Hilda Gilmore
as Tramp, Willie the Weasel
as Sergeant
as Ape Man
as Policeman Barney (uncredited)
as Policeman (uncredited)
as Theater Watchman (uncredited)
