Dirección: Roy William Neill
El resucitado Hombre Lobo, buscando una cura para su enfermedad acude en busca de la ayuda del doctor Frankenstein. Cuando llega a su castillo descubre que el Dr. ha muerto a manos del los habitantes del pueblo, y levanta las sospechas de éstos, que comienzan a perseguirlo. En su huida se esconde en las galerías del castillo donde libera del hielo al monstruo de Frankentein.
Lon Chaney Jr.
Lawrence 'Larry' Stewart Talbot / The Wolf Man
Lugosi Béla
The Frankenstein Monster
Patric Knowles
Dr. Frank Mannering
Ilona Massey
Baroness Elsa Frankenstein
Maria Ouspenskaya
Maleva the Gypsy
Dennis Hoey
Inspector Owen
Lionel Atwill
Mayor of Vasaria
Rex Evans
Vazec the Innkeeper
Dwight Frye
Rudi a Vasarian
Don Barclay
Franzec a Vasarian
Harry Stubbs
Guno a Vasaria Policeman
Cyril Delevanti
Freddy Jolly the 1st Grave Robber (uncredited)
Tom Stevenson
2nd Grave Robber (uncredited)
Adia Kuznetzoff
Festival Singer (uncredited)
Doris Lloyd
Cardiff Hospital Nurse (uncredited)
Charles Irwin
Cardiff Police Constable (uncredited)
David Clyde
Llanwelly Police Sergeant (uncredited)
Torben Meyer
Erno a Gypsy (uncredited)
Jeff Corey
Llanwelly Cemetery Keeper (uncredited)
Martha Vickers
Maid at Inn (uncredited)
