Catita is a simple and poor woman who dreams of that her son stands out on something important to help her out of his humble. But she opposes to him being boxer, therefore constantly fighting with her husband.
Niní Marshall
as Doña Lupe; Cándida (as Nini Marshal)
Joaquín Pardavé
as Don Choforito Moreno
Fernando Fernández
as Luis
Rosita Arenas
as Rosita
Beatriz Aguirre
as Doña Rosa Morfín Valenzuela
Miguel Arenas
as Don Ramiro
Pepe del Río
as Nacho (as José del Río)
Wolf Ruvinskis
as Pablo Rivas
Libertad Lamarque
as Cantante
Germán Valdés
as Tin Tan