Santo goes up against a mad scientist and a ranch owner who are turning immigrants into mind controlled zombies.
Cast
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
Unknown
Guillermo Ayala
Bracero asesinado
Abel Casillas
Unknown
Oscar Ricci
Unknown
Guillermo Inclán
Unknown
Lilia Landua
Unknown
Victor Mar Manuel
Unknown
Bobby Lee
Wrestler
Ringo Mendoza
Wrestler
'Karloff' Lagarde
Wrestler
