Calificación
Reparto

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