Réalisation: Erle C. Kenton
Un savant fou, le Dr Niemann, s'échappe de l'asile. Aidé de son assistant, il ressuscite le conte Dracula, le loup-garou et la créature de Frankenstein, afin qu'ils l'aident à se venger de ceux qui l'ont enfermés.
Boris Karloff
Dr. Gustav Niemann
Lon Chaney Jr.
Lawrence 'Larry' Talbot (aka The Wolf Man)
J. Carrol Naish
Daniel
John Carradine
Dracula (aka Baron Latos)
Anne Gwynne
Rita Hussman
Peter Coe
Carl Hussman
Lionel Atwill
Inspector Arnz
George Zucco
Prof. Bruno Lampini
Elena Verdugo
Ilonka
Sig Ruman
Burgomeister Hussman
William Edmunds
Fejos (uncredited)
Charles Miller
Toberman (uncredited)
Philip Van Zandt
Muller (uncredited)
Julius Tannen
Hertz (uncredited)
Hans Herbert
Meier (uncredited)
Dick Dickinson
Born (uncredited)
George Lynn
Inspector Gerlach
Michael Mark
Strauss
Olaf Hytten
Hoffman (uncredited)
Frank Reicher
Frederick Ullman
Boris Karloff
Dr. Gustav Niemann
Lon Chaney Jr.
Lawrence 'Larry' Talbot (aka The Wolf Man)
J. Carrol Naish
Daniel
John Carradine
Dracula (aka Baron Latos)
Anne Gwynne
Rita Hussman
Peter Coe
Carl Hussman
Lionel Atwill
Inspector Arnz
George Zucco
Prof. Bruno Lampini
Elena Verdugo
Ilonka
Sig Ruman
Burgomeister Hussman
William Edmunds
Fejos (uncredited)
Charles Miller
Toberman (uncredited)
Philip Van Zandt
Muller (uncredited)
Julius Tannen
Hertz (uncredited)
Hans Herbert
Meier (uncredited)
Dick Dickinson
Born (uncredited)
George Lynn
Inspector Gerlach
Michael Mark
Strauss
Olaf Hytten
Hoffman (uncredited)
Frank Reicher
Frederick Ullman
Boris Karloff
Dr. Gustav Niemann
Lon Chaney Jr.
Lawrence 'Larry' Talbot (aka The Wolf Man)
J. Carrol Naish
Daniel
John Carradine
Dracula (aka Baron Latos)
Anne Gwynne
Rita Hussman
Peter Coe
Carl Hussman
Lionel Atwill
Inspector Arnz
George Zucco
Prof. Bruno Lampini
Elena Verdugo
Ilonka
Sig Ruman
Burgomeister Hussman
William Edmunds
Fejos (uncredited)
Charles Miller
Toberman (uncredited)
Philip Van Zandt
Muller (uncredited)
Julius Tannen
Hertz (uncredited)
Hans Herbert
Meier (uncredited)
Dick Dickinson
Born (uncredited)
George Lynn
Inspector Gerlach
Michael Mark
Strauss
Olaf Hytten
Hoffman (uncredited)
Frank Reicher
Frederick Ullman