El Santo as Santo

Miguel Ángel Fuentes as Monk, capataz

Gerardo Reyes as Gerardo

Carmen del Valle as Azucena

Carlos Suárez as Carlitos

Jean Safont as Dr. Sombra

Federico Falcón as Fernando

Sarita Gómez as Florecita (as niña Sarita Gómez)

Fernando Yapur as Dr. Sombra

César Gómez as

Guillermo Ayala as Bracero asesinado

Abel Casillas as

Oscar Ricci as

Guillermo Inclán as

Lilia Landua as

Victor Mar Manuel as

Bobby Lee as Wrestler

Ringo Mendoza as Wrestler

'Karloff' Lagarde as Wrestler