Casting
Emilio Tuero
Roberto
Rosita Fornés
Olga
Josefina Romagnoli
Marta
Jorge Mondragón
Doctor
Natalia Ortiz
Mamá de Roberto
Agustín Sen
Don Aurelio (padre de Roberto)
José Goula
Padre de Marta y Olga
Aurora Walker
Josefina (madre de Marta y Olga)
Manuel Noriega
Doctor (uncredited)
Aurora Ruiz
Criada (uncredited)
David Valle González
Empleado de Roberto (uncredited)