The discovery of a perfectly preserved caveman prompts a mad scientist to attempt a daring brain transplant.
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
Mike Donovan
Policeman Barney (uncredited)
George Eldredge
Policeman (uncredited)
Horace B. Carpenter
Theater Watchman (uncredited)
Swamp Woman
Strange Days
The Day After Tomorrow
Cube Zero
The Hole
Poor Things
Never Blink
The Revenge of Frankenstein
Frankenstein Must Be Destroyed
The Creeping Flesh
Frankenstein and the Monster from Hell
The Invisible Man
Scanners
The Hunt
Residency
Amityville Exorcism
The Man They Could Not Hang
Zygote
Time Trap
The Tingler