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.
Doña Lupe; Cándida (as Nini Marshal)
Niní Marshall
Don Choforito Moreno
Joaquín Pardavé
Luis
Fernando Fernández
Rosita
Rosita Arenas
Doña Rosa Morfín Valenzuela
Beatriz Aguirre
Don Ramiro
Miguel Arenas
Nacho (as José del Río)
Pepe del Río
Pablo Rivas
Wolf Ruvinskis
Cantante
Libertad Lamarque
Tin Tan
Germán Valdés
Marcelo
Marcelo Chávez
Agustín
Agustín Lara
Bailarina
Gloria Mestre
Bailarina
Lina Salomé
Espectador del boxeo (uncredited)
Armando Acosta
Espectador del boxeo (uncredited)
Jesús Gómez
Espectador del boxeo (uncredited)
Carlos Robles Gil
Espectador del fútbol americano (uncredited)
Jaime Fernández
Espectador del fútbol americano (uncredited)
Miguel Ángel López
Espectador de la pelea del Choforito (uncredited)
Joaquín Roche
Espectador (uncredited)
José Muñoz
Grandote en pelea del choforito (uncredited)
Gregorio Acosta
Señor Maccini (uncredited)
Eduardo Alcaraz
Invitado a fiesta (uncredited)
Daniel Arroyo
Invitada a fiesta (uncredited)
Lupe Carriles
Invitada a fiesta (uncredited)
Cecilia Leger
Invitada a fiesta (uncredited)
Velia Lupercio
Invitado a fiesta (uncredited)
José Pardavé
Invitado a fiesta (uncredited)
Humberto Rodríguez
Invitada a fiesta (uncredited)
María Valdealde
Invitado a fiesta (uncredited)
Hernán Vera
Entrenador (uncredited)
Stephen Berne
La murcielaga (uncredited)
Maria Luisa Cortés
Asistente del Choforito (uncredited)
Pascual García Peña
Empleada de doña Lupe (uncredited)
Conchita Gentil Arcos
Chofer (uncredited)
Álvaro Matute
Niño (uncredited)
José Luis Moreno
Anunciador (uncredited)
Antonio «Pícoro» Padilla
Anunciador (uncredited)
Julio Sotelo
Doctor (uncredited)
Salvador Quiroz