
Plot
The discovery of a perfectly preserved caveman prompts a mad scientist to attempt a daring brain transplant.
Trailer
Cast

Bela Lugosi
Prof. Dexter

John Carradine
Prof. John Gilmore

Frank Moran
Ape Man

Teala Loring
Anne Gilmore

Tod Andrews
Steve Rogers

Mary Currier
Hilda Gilmore

Ernie Adams
Tramp, Willie the Weasel

Eddy Chandler
Sergeant

George Zucco
Ape Man

Mike Donovan
Policeman Barney (uncredited)

George Eldredge
Policeman (uncredited)

Horace B. Carpenter
Theater Watchman (uncredited)