Basil Rathbone

Character: Baron Wolf von Frankenstein

Boris Karloff

Character: The Monster

Bela Lugosi

Character: Ygor

Lionel Atwill

Character: Inspector Krogh

Josephine Hutchinson

Character: Elsa von Frankenstein

Donnie Dunagan

Character: Peter von Frankenstein

Emma Dunn

Character: Amelia

Edgar Norton

Character: Thomas Benson

Perry Ivins

Character: Fritz

Lawrence Grant

Character: Bürgermeister

Lionel Belmore

Character: Emil Lang

Michael Mark

Character: Ewald Neumüller

Caroline Frances Cooke

Character: Frau Neumüller

Gustav von Seyffertitz

Character: Burgher

Lorimer Johnston

Character: Burgher

Tom Ricketts

Character: Burgher

Ward Bond

Character: Gendarme at Gate (uncredited)

Betty Chay

Character: Undetermined Role (uncredited)

Harry Cording

Character: Bearded Gendarme (uncredited)

Jack Curtis

Character: Actor (uncredited)

Fred Farrell

Character: Villager (uncredited)

Jack Harris

Character: Extra (uncredited)

Russ Powell

Character: Webber - Burgher (uncredited)

Clarence Wilson

Character: Dr. Berger (uncredited)