Cast & crew
Hard Breed to Kill (1967)
Directed by Rafael Portillo Written by W.T. Zacha
Cast
| Emilio Fernández | Ringo |
| Julie Edwards | Kathy |
| Fernando Casanova | Colby |
| Slim Pickens | Sloper |
| Guillermo Rivas | Jose |
| Ramón Bugarini | Rocco Lampone |
| Noé Murayama | Navajo |
| Paul Heslin | Faulkner |
| George Slim | Kid Shopper |
Crew
| Antonio del Castillo | Adaptation |
| José Luis Calderón | Producer |
| W.T. Zacha | Story |
| Enrique Wallace | Director of Photography |
| Ignacio Torres | Director of Photography |
| Ignacio Romero | Camera Operator |
| Rafael Portillo | Adaptation |
| Antonio del Castillo | Producer |
| Rafael Portillo | Director |
| Carlos Savage | Editor |
| Rafael Carrión | Original Music Composer |
| José RodrÃguez Granada | Production Design |
| Pablo Galván | Set Decoration |
| Reynaldo P. Portillo | Sound Editor |