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!
Released: Jun 20, 1963
Runtime: 92 minutes
Genre: Science Fiction, Action, Horror
Stars: El Santo, Norma Mora, Rubén Rojo, Roxana Bellini, Claudio Brook, José Luis Jiménez
Crew: Fernando Galiana (Story), Alfonso Corona Blake (Director), Julio Porter (Story), Alberto López (Producer), José W. Bustos (Editor), Manuel San Fernando (Director)