as o. A.

as Dr. Sepúlveda

as Doctor

as Tata

as Fermín Mendoza

as Pacomio Rodríguez

as Landeros

as Marcos (cantinero)

as Dr. Sepúlveda

as Arena Owner

as Dr. Sepúlveda

as Silverio

as Professor Soler

as Fiscal (uncredited)

as Guillermo

as Boris

as Prof. Rafael Petra Santa

as Cugat

as Prof. Luis Cristaldi

as Police Chief

as Luis

as Old Scientist

as Chairman of Scientific Society

as Hipolito Gutierrez

as Professor Soler

as (uncredited)

as (uncredited)

as Ramón Mendecochea

as Mario Arévalo

as Ugo Brunelli

as Sacerdote

as Marinero Italiano

as Comandante

as Dr Enrique Conde

as Don Ramón Cifuentes

as Esposo de Rosario

as Inspector

as The Doctor

as Don Carlos

as Sacerdote

as Doctor anciano

as Don Cefe

as Acébal

as Abuelo de Valentín

as Fray Pedro

as Lupe Santana

as Doctor

as Production Manager