Boris Karloff as Dr. Gustav Niemann

Lon Chaney Jr. as Lawrence 'Larry' Talbot (aka The Wolf Man)

J. Carrol Naish as Daniel

John Carradine as Dracula (aka Baron Latos)

Anne Gwynne as Rita Hussman

Peter Coe as Carl Hussman

Lionel Atwill as Inspector Arnz

George Zucco as Prof. Bruno Lampini

Elena Verdugo as Ilonka

Sig Ruman as Burgomeister Hussman

William Edmunds as Fejos (uncredited)

Charles Miller as Toberman (uncredited)

Philip Van Zandt as Muller (uncredited)

Julius Tannen as Hertz (uncredited)

Hans Herbert as Meier (uncredited)

Dick Dickinson as Born (uncredited)

George Lynn as Inspector Gerlach

Michael Mark as Strauss (uncredited)

Olaf Hytten as Hoffman (uncredited)

Frank Reicher as Frederick Ullman (uncredited)

Brandon Hurst as Dr. Geissler (uncredited)

Glenn Strange as Frankenstein Monster

George Blagoi as Villager (uncredited)

Paul Bradley as Villager (uncredited)

Edmund Cobb as Coachman (uncredited)

Gino Corrado as Man in Audience at Dracula Exhibit (uncredited)

Joe Kirk as Schwartz (uncredited)

Belle Mitchell as Urla - Gypsy Woman (uncredited)

Anton Northpole as Villager (uncredited)

José Portugal as Villager (uncredited)

Anne G. Sterling as Gypsy Girl (uncredited)

Charles Wagenheim as Jailer (uncredited)