El Santo, the masked Mexican wrestler, investigates a series of kidnappings. He discovers that the mysterious Doctor Caroll is using the victims as part of his experiments to develop an army of monsters. Naturally, El Santo is able to overcome them all - with wrestling!
El Santo
Santo, el Enmascarado de Plata
Norma Mora
Susana Mendoza
Rubén Rojo
Ricardo Carbajal
Roxana Bellini
Gloria Mendoza
Claudio Brook
Dr. Karol
José Luis Jiménez
Professor Galvan
Víctor Velázquez
Inspector Fernandez
Jorge Mondragón
Police Chief
