On screen
Cast
18 credited performers
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
Artwork unavailable
Joseph Garco
Biker Robber
Artwork unavailable
Roberta Kuhn
Character not listed
Artwork unavailable
Carmen Plate
Woman
Mariano Vidal Molina
Civil Guard
Artwork unavailable
Pascual Marco
Character not listed
Artwork unavailable
Tamara Greys
Bridgett
Mabel Ordóñez
Lola
Isabel Prinz
Lorena
Artwork unavailable
Nuria Lucas
Robber Girl
Sergio Molina
Adrián (as Serge Mills)
Cris Huerta
Zacarías
Artwork unavailable
Emilio A. Pina
Civil Guard 2
Malena Gracia
Woman (uncredited)
Artwork unavailable
Chema Gómez
(uncredited)