Santo goes up against a mad scientist and a ranch owner who are turning immigrants into mind controlled zombies.
Director
Writers
Sergio David, Carlos Suárez, Rafael Pérez Grovas
Santo
Monk, capataz
Gerardo
Azucena
Carlitos
Dr. Sombra
Fernando
Florecita (as niña Sarita Gómez)
Bracero asesinado