A gunfighter is appointed sheriff of a town that is terrorized by a gang of criminals.
| Directing | Jorge Fons | Director |
| Writing | Arturo Ripstein | Writer |
| Writing | Ralph Barby | Novel |
| Production | Alfredo Ripstein Jr. | Producer |
| Crew | Jorge Stahl Jr. | Cinematography |
| Art | Enrique Estévez | Set Decoration |
| Costume & Make-Up | Agripina Lozada | Makeup Department Head |
| Costume & Make-Up | Carmen Palomino | Makeup Artist |
| Directing | Américo Fernández | Assistant Director |
| Sound | Rafael Castanedo | Music |