Santo goes up against a mad scientist and a ranch owner who are turning immigrants into mind controlled zombies.
Director:
Writer:
El Santo
Santo
Miguel Ángel Fuentes
Monk, capataz
Gerardo Reyes
Gerardo
Carmen del Valle
Azucena
Carlos Suárez
Carlitos
Jean Safont
Dr. Sombra
Federico Falcón
Fernando
Sarita Gómez
Florecita (as niña Sarita Gómez)
Fernando Yapur
Dr. Sombra
César Gómez
Guillermo Ayala
Bracero asesinado
Abel Casillas
Oscar Ricci
Guillermo Inclán
Lilia Landua
Victor Mar Manuel
Bobby Lee
Wrestler
Ringo Mendoza
Wrestler
'Karloff' Lagarde
Wrestler
