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