Paul Naschy
Hector Doriani / Alex Doriani / Frankenstein's Monster / Mr. Hyde / Phantom of the Opera / Waldemar Daninsky the Werewolf / Quasimodo / The Devil
Caroline Munro
Carmen
Howard Vernon
Eric
Fernando Hilbeck
Father Damián
Joseph Garco
Biker Robber
Carmen Plate
Woman
Mariano Vidal Molina
Civil Guard
Tamara Greys
Bridgett
Mabel Ordóñez
Lola
Isabel Prinz
Lorena
Nuria Lucas
Robber Girl
Sergio Molina
Adrián (as Serge Mills)
Cris Huerta
Zacarías
Emilio A. Pina
Civil Guard 2
Malena Gracia
Woman (uncredited)
Chema Gómez
(uncredited)
Paul Naschy
El aullido del diablo
Released
Bande-annonce
