A young man eagerly prepares for triumph as a boxer in a neighborhood gym with the firm intention of escaping poverty to marry his girlfriend, who sings in a nightclub.
Javier Solís
Javier
Fernando Soler
Don Fer
Sonia López
Sonia
Joaquín Cordero
Arturo
Oscar Madrigal
Himself
Ramón Valdés
Gancho
Gina Romand
Amante de Óscar
Carlos León
Doctor
Cecilia Leger
Doña Encarna
Antonio «Pícoro» Padilla
Presentador de boxeo
Mario Sevilla
Maestro de ceremonias
Chelo La Rue
