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!
Rubén Rojo | Ricardo Carbajal | |
Claudio Brook | Dr. Karol | |
Santo | Santo, el Enmascarado de Plata | |
José Luis Jiménez | Professor Galvan | |
Jorge Mondragón | Police Chief | |
Fernando Osés | Henchman |
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