Trailer
 | Pepe Iglesias as León Parelli |
 | Alma Rosa Aguirre as Marta |
 | Fernando Soto as Gastón (Beto) |
 | Julio Villarreal as Don Julio Cellini |
 | Antonio Bravo as Hermano Fratelli |
 | Ernesto Finance as Empresario teatro |
 | Francisco Ledesma as Don Inocencio |
 | Maruja Grifell as Clienta de Cellini |
| Carlos Fioriti |
| Quinteto Allegro as Músicos |
| Armando Velasco |
| Chelo La Rue |
| Caridad Vázquez as Bailarina |
| Mercedes Vázquez as Bailarina |
 | Gregorio Acosta as El frijolito (Chamaco) (uncredited) |
| Efraín Arauz as Joven cantina (uncredited) |
| Ricardo Avendaño as Empleado teatro (uncredited) |
 | Alberto Catalá as Gerente hotel (uncredited) |
| Elisa Christy as Corista (uncredited) |
| Agustín Fernández as Hombre cantina (uncredited) |
| Rogelio Fernández as Hombre cantina (uncredited) |
| Jesús Gómez Murguía as Hombre cantina (uncredited) |
| Pepe Hernández as Hombre cantina (uncredited) |
| Miguel Ángel López as Botones (uncredited) |
 | Álvaro Matute as Policía (uncredited) |
| Ignacio Peón as Sr. García (uncredited) |
 | Humberto Rodríguez as Pedro (portero) (uncredited) |
| Ramón Sánchez as Hombre cantina (uncredited) |
| José Venegas 'El Bronco' as (uncredited) |
 | Hernán Vera as Cantinero (uncredited) |
| Sergio Virel as Joven mensajero (uncredited) |
| Directing | |
| Julián Soler | Director |
Writing | |
| Luis Buñuel | Writer |
| Luis Alcoriza | Writer |
Sound | |
| Manuel Esperón | Music |
Camera | |
| José Ortiz Ramos | Director of Photography |
Editing | |
| Carlos Savage | Editor |
Art | |
| Edward Fitzgerald | Production Design |
Costume & Make-Up | |
| Ana Guerrero | Makeup Artist |
| José Jurado | Hairstylist |
Production | |
| Federico Amérigo | Production Manager |
| Fidel Pizarro | Production Manager |
Directing | |
| Ignacio Villareal | Assistant Director |
Camera | |
| Manuel González | Camera Operator |
Editing | |
| Alberto Valenzuela | Assistant Editor |
Crew | |
| Chelo La Rue | Choreographer |
Production | |
| Óscar Dancigers | Producer |
Art | |
| Pablo Galván | Set Decoration |
Sound | |
| Nicolás de la Rosa | Sound Recordist |
| Jesús González Gancy | Sound Director |
Editing | |
| William W. Claridge | Other |
Production | |
| Antonio de Salazar | Administration |
