Santo vs. the King of Crime

El Santo

as Santo El Enmascarado de Plata

Fernando Casanova

as Fernando Lavalle

Ana Bertha Lepe

as Virginia

Begoña Palacios

as Dancer in club

Roberto Ramírez Garza

as as Beto 'el Boticario'

René Cardona

as Sr. Roberto de la Llata

Yolanda Ciani

as Mercedes

Augusto Benedico

as Matias

Víctor Velázquez

Guillermo Álvarez Bianchi

as Don Cosme

Antonio Raxel

as Freddy (henchman)

Fernando Osés

Enrique Couto

Alberto Mariscal

Santanón

as as Enano 'Santanón'

Francisco Curiel

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

Elvira Castillo

as Uncredited

Lucía Prado

as Uncredited