A poor, but very lucky man in the cock fighting, is hired by a rich man, but both are in love with the same woman
| Directing | Roberto Gavaldón | Director |
| Crew | Manuel González de Cosío | Thanks |
| Crew | Juan Fernández Albarrán | Thanks |
| Crew | Dr. Arturo Milhe | Thanks |
| Production | Manuel Barbachano Ponce | Producer |
| Writing | Carlos Fuentes | Screenplay |
| Writing | Gabriel García Márquez | Screenplay |
| Writing | Roberto Gavaldón | Screenplay |
| Production | Enrique L. Morfín | Production Manager |
| Directing | Jesús Marín | Assistant Director |
| Costume & Make-Up | Georgette Somohano | Costume Supervisor |
| Costume & Make-Up | Armando Meyer | Makeup Department Head |
| Costume & Make-Up | María de Jesús Lepe | Hairstylist |
| Lighting | Daniel López | Lighting Director |
| Camera | Manuel González | Camera Operator |
| Crew | Aurelio Berrospe | Animal Coordinator |
| Sound | James L. Fields | Sound |
| Sound | Luis Fernández | Sound Recordist |
| Sound | Galdino R. Samperio | Sound Re-Recording Mixer |
| Sound | José Li-ho | Sound Editor |
| Sound | Rubén Fuentes | Music Director |
| Sound | Chucho Zarzosa | Music |
| Editing | Gloria Schoemann | Editor |
| Art | Manuel Fontanals | Set Designer |
| Production | Federico Amérigo | Executive Producer |
| Production | Felipe Subervielle | Executive Producer |
| Crew | Gabriel Figueroa | Cinematography |
| Writing | Juan Rulfo | Writer |