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
Policeman Barney (uncredited)
Policeman (uncredited)
Theater Watchman (uncredited)
Producer
Screenplay
Director
Associate Producer
Sound Engineer
Editor
Music Director
Set Designer
Special Effects
Director of Photography
Assistant Director
