Colin Clive

Henry Frankenstein

Mae Clarke

Elizabeth

John Boles

Victor Moritz

Boris Karloff

The Monster

Edward Van Sloan

Doctor Waldman

Frederick Kerr

Baron Frankenstein

Dwight Frye

Fritz

Lionel Belmore

The Burgomaster

Marilyn Harris

Little Maria

Ted Billings

Villager (uncredited)

Mae Bruce

Screaming Maid (uncredited)

Jack Curtis

Villager (uncredited)

Arletta Duncan

Bridesmaid (uncredited)

William Dyer

Gravedigger (uncredited)

Francis Ford

Hans (uncredited)