Secret of Death(1969)

Aarón Rodríguez Arellano

Mil Máscaras

María Duval

Sandra / Tamara

Isela Vega

Estrella

David Silva

Señor Robles

Eric del Castillo

Sandokan

John Carradine

Mad Doctor / Nazi Leader

Víctor Junco

Renzo

Nathanael León

Hercules (as Frankenstein)

Dagoberto Rodríguez

Altia Michel

Víctor Alcocer

Commander (uncredited)

Fernando Osés

Circus Man (uncredited)

Alfredo Uribe

Director of Photography

Federico Curiel

Director

José Juan Munguía

Editor

Jorge García Besné

Executive Producer

Luis Enrique Vergara

Producer

Gustavo César Carrión

Original Music Composer

Ramón Obón

Writer