El Santo
Santo El Enmascarado de Plata
Fernando Casanova
Fernando Lavalle
Ana Bertha Lepe
Virginia
Begoña Palacios
Dancer in club
Roberto Ramírez Garza
as Beto 'el Boticario'
René Cardona
Sr. Roberto de la Llata
Yolanda Ciani
Mercedes
Augusto Benedico
Matias
Víctor Velázquez
Guillermo Álvarez Bianchi
Don Cosme
Antonio Raxel
Freddy (henchman)
Fernando Osés
Enrique Couto
Alberto Mariscal
Santanón
as Enano 'Santanón'
Francisco Curiel
Roberto de la Llata as a boy (as El niño Francisco Curiel)
Elvira Castillo
Uncredited
Lucía Prado
Uncredited
Graciela Muñoz
Makeup Artist
Federico Curiel
Screenplay
Federico Curiel
Director
Enrico C. Cabiati
Original Music Composer
Fernando Colín
Director of Photography
Fernando Osés
Story
Antonio Orellana
Adaptation
José Juan Munguía
Editor
Arcadi Artis Gener
Production Design
Luis Quintanilla Rico
Production Manager
Alberto Mariscal
Assistant Director