Deranged scientist, Gustav Niemann, escapes from prison and overtakes the director of a traveling chamber of horrors, soon reviving the infamous Count Dracula, the frozen Frankenstein Monster, and the Wolf Man.
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)