Rafael Baledón
Director
José María Fernández Unsáin
Screenplay
José María Fernández Unsáin
Story
Edgardo Obregón Mazón
Story
Heberto Dávila Guajardo
Executive Producer
Jesús Sotomayor Martínez
Producer
Sergio Guerrero
Music
Agustín Martínez Solares
Cinematography
Carlos Savage
Editor
José Rodríguez Granada
Production Design
María del Castillo
Makeup Artist
Julio Guerrero Tello
Production Controller
Agustín Rodríguez
Assistant Production Coordinator
Miguel Sotomayor Martinez
Production Supervisor
Américo Fernández
Assistant Director
Enrique Rodríguez
Sound Director
Rodolfo Solís
Dialogue Editor
Raúl Argumedo
Still Photographer
Hugo Velasco
Camera Operator
Sigfrido García
Assistant Editor
Reynaldo P. Portillo
Editor
Humberto Gavaldón
Script Supervisor
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
Felipe de Flores
