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