Franco and Ciccio mosey into the Mexican border town of Santa Genoviefa. Both are dressed in ponchos, one rides a small mule, one a large one. They are gun salesmen, peddling their wares from town to town.
| Directing | Michele Lupo | Director |
| Writing | Roberto Gianviti | Screenplay |
| Writing | Amedeo Sollazzo | Screenplay |
| Production | Roberto Amoroso | Producer |
| Camera | Alberto Fusi | Director of Photography |
| Editing | Antonietta Zita | Editor |
| Art | Jaime Pérez Cubero | Production Design |
| Art | José Luis Galicia | Production Design |
| Writing | Roberto Gianviti | Story |
| Writing | Amedeo Sollazzo | Story |
| Costume & Make-Up | Ricardo Vázquez | Makeup Artist |
| Directing | Gloria Roldán | Script Supervisor |
| Sound | Fiorenzo Magli | Sound |
| Directing | Juan Antonio Isasi | First Assistant Director |
| Directing | Giancarlo Romitelli | First Assistant Director |
| Production | Antonio Sarno | Unit Manager |
| Production | Julián García de la Vega | Unit Manager |
| Production | Giuseppe Vezzani | Administration |
| Camera | Julio Ortas | Director of Photography |
| Sound | Francesco De Masi | Original Music Composer |
| Production | Romano Cardarelli | Production Manager |
| Production | Victoriano García Giraldo | Production Manager |