Santo vs. the King of Crime

Santo El Enmascarado de Plata

El Santo

Fernando Lavalle

Fernando Casanova

Virginia

Ana Bertha Lepe

Dancer in club

Begoña Palacios

as Beto 'el Boticario'

Roberto Ramírez Garza

Sr. Roberto de la Llata

René Cardona

Mercedes

Yolanda Ciani

Matias

Augusto Benedico

Víctor Velázquez

Don Cosme

Guillermo Álvarez Bianchi

Freddy (henchman)

Antonio Raxel

Fernando Osés

Enrique Couto

Alberto Mariscal

as Enano 'Santanón'

Santanón

Roberto de la Llata as a boy (as El niño Francisco Curiel)

Francisco Curiel

Uncredited

Elvira Castillo

Uncredited

Lucía Prado