Masked luchador "Santo" fights against an evil doctor and his zombie army.
El Santo
Santo, el Enmascarado de Plata
Lorena Velázquez
Gloria Sandoval
Armando Silvestre
Lt. Sanmartin
Jaime Fernández
Detective Rodriguez
Dagoberto Rodríguez
Det. Almada
Irma Serrano
Det. Isabel
Carlos Agostí
Tio Genaro
Ramón Bugarini
Rogelio
Fernando Osés
Dorrell López
Julián de Meriche
Dino Povetti
Alejandro Cruz
Black Shadow
Eduardo Bonada
Zombie
Eduardo Silvestre
Gory Guerrero
Wrestler (as Gori Guerrero)
Vicente Lara
Zombie (as Cacama)
Martha Arlette
Bailarina / dancer
Fernando Curiel
Velador testigo (uncredited)
Rafael María de Labra
Profesor Sandoval, padre de Gloria (uncredited)
Carlos Hennings
Espectador lucha libre (uncredited)
Myron Levine
Profesor (uncredited)
Antonio «Pícoro» Padilla
Ring Announcer (uncredited)
Jorge Zamora
Músico (uncredited)
Camilo Pérez 'Bulldog'
Wrestler (as El Bulldog)