o. A.
Dr. Sepúlveda
Doctor
Tata
Fermín Mendoza
Pacomio Rodríguez
Landeros
Arena Owner
Silverio
Professor Soler
Fiscal (uncredited)
Guillermo
Prof. Rafael Petra Santa
Boris
Cugat
Prof. Luis Cristaldi
Police Chief
Old Scientist
Chairman of Scientific Society
Luis
Hipolito Gutierrez
(uncredited)
Ramón Mendecochea
Mario Arévalo
Ugo Brunelli
Sacerdote
Marinero Italiano
Comandante
Dr Enrique Conde
Don Ramón Cifuentes
Esposo de Rosario
Inspector
The Doctor
Don Carlos
Doctor anciano
Don Cefe
Acébal
Abuelo de Valentín
Fray Pedro
Don Ramón
