Santo goes up against a mad scientist and a ranch owner who are turning immigrants into mind controlled zombies.

---

Main Cast: El Santo, Miguel Ángel Fuentes, Gerardo Reyes, Carmen del Valle, Carlos Suárez, Jean Safont, Federico Falcón, Sarita Gómez, Fernando Yapur, César Gómez

Director: Rafael Pérez Grovas

Writers: Sergio David, Carlos Suárez, Rafael Pérez Grovas

Editor: Alfredo Jacome

Cinematographer: Alfredo Uribe

---

Popular Double Features