Boris Karloff
The Monster
Colin Clive
Henry Frankenstein
Valerie Hobson
Elizabeth Frankenstein
Ernest Thesiger
Doctor Pretorius
Elsa Lanchester
Mary Wollstonecraft Shelley / The Monster's Bride
Douglas Walton
Percy Bysshe Shelley
E. E. Clive
Bürgomaster (uncredited)
Lucien Prival
Butler (uncredited)
O. P. Heggie
Hermit (uncredited)
Walter Brennan
Peasant (uncredited)
John Carradine
Hunter (uncredited)
Norman Ainsley
Archbishop (uncredited)
Kansas DeForrest
Ballerina (uncredited)
Josephine McKim
Little Mermaid (uncredited)
Michael Mark
Ludwig (archive footage) (uncredited)
Billy Barty
Baby (uncredited)
Robert Adair
Hunter in Woods (uncredited)
Frank Benson
Villager (uncredited)
Maurice Black
Gypsy (uncredited)
Mae Bruce
Villager (uncredited)
A.S. Byron
King Homunculus (uncredited)
D'Arcy Corrigan
Procession Leader (uncredited)
Grace Cunard
Villager (uncredited)
Jack Curtis
Hunter (uncredited)
J. Gunnis Davis
Uncle Glutz (uncredited)
Elspeth Dudgeon
Gypsy's Mother (uncredited)
Helen Jerome Eddy
Gypsy's Wife (uncredited)
Neil Fitzgerald
Rudy (uncredited)
Brenda Fowler
Mother (uncredited)
John George
Villager (uncredited)
Helen Gibson
Villager (uncredited)
Marilyn Harris
Girl (uncredited)
Rollo Lloyd
Neighbor (uncredited)
Torben Meyer
Victim in flashback (uncredited)
Edwin Mordant
Coroner (uncredited)
Edward Peil Sr.
Villager (uncredited)
Tempe Pigott
Auntie Glutz (uncredited)
Sarah Schwartz
Marta (uncredited)
Mary Stewart
Neighbor (uncredited)
Frank Terry
Hunter at Hermit's Cottage (uncredited)
Anders Van Haden
Villager (uncredited)
Dorothy Vernon
Maid (uncredited)
Lucio Villiegas
Priest (uncredited)
Joan Woodbury
Queen Homunculus (uncredited)
Peter Shaw
Devil (uncredited)