A range war between cattlemen and farmers comes to a head with the arrival of a Deputy Marshal and "Mule" a famous gunfighter in the town of Houstonville, Texas.
| Directing | Alfonso Brescia | Director |
| Camera | Enrico Cortese | Camera Operator |
| Editing | Maurizio Lozzi | Editor |
| Production | Sergio Bollino | Production Secretary |
| Camera | Fausto Rossi | Director of Photography |
| Sound | Goffredo Salvatori | Sound |
| Production | Luciano Catenacci | Production Manager |
| Production | Alberto Silvestri | Producer |
| Sound | Coriolano Gori | Original Music Composer |
| Costume & Make-Up | Andrea Riva | Makeup Artist |
| Directing | Lucia Porfiri | Script Supervisor |
| Writing | Aldo Lado | Story |
| Writing | Aldo Lado | Screenplay |
| Writing | Augusto Finocchi | Story |
| Writing | Augusto Finocchi | Screenplay |
| Directing | Paolo Finocchi | First Assistant Director |
| Costume & Make-Up | Adriana Cassini | Hairstylist |
| Costume & Make-Up | Giacomo Caló Carducci | Costume Design |
| Art | Giuseppe Cesare Monello | Production Design |
| Production | Vincenzo Mazzucchi | Unit Manager |
