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