A meek accountant buys himself a gun and finds out he's a natural marksman. After the friend who introduced him to shooting is killed by gangsters, he seeks revenge.
| Directing | Giuliano Montaldo | Director |
| Camera | Ennio Guarnieri | Director of Photography |
| Editing | Nino Baragli | Editor |
| Production | Fulvio Morsella | Producer |
| Writing | Sergio Donati | Story |
| Writing | Sergio Donati | Screenplay |
| Writing | Nino Manfredi | Screenplay |
| Writing | Giuliano Montaldo | Screenplay |
| Costume & Make-Up | Franco Carretti | Costume Design |
| Costume & Make-Up | Erminia Ferrari | Assistant Costume Designer |
| Art | Luigi Scaccianoce | Production Design |
| Directing | Fabrizio Sergenti Castellani | Co-Director |
| Directing | Vera Pescarolo | Co-Director |
| Sound | Ennio Morricone | Original Music Composer |
| Production | Claudio Mancini | Producer |
| Production | Franco Coduti | Unit Manager |
| Production | Tullio Lullo | Production Secretary |
| Production | Annabella Andreoli | Production Secretary |
| Costume & Make-Up | Pierantonio Mecacci | Makeup Artist |
| Costume & Make-Up | Renata Magnanti | Hairstylist |
| Sound | Gaetano Testa | Sound |
| Production | Walter Massi | Administration |
| Production | Maurizio Mancini | Production Secretary |
| Art | Bruno Cesari | Set Decoration |
| Directing | Anna Maria Montanari | Script Supervisor |
| Camera | Renato Ranieri | Camera Operator |
| Editing | Angela Bordi | Assistant Editor |
| Editing | Patrizia Ceresani | Assistant Editor |
| Costume & Make-Up | Mario Michisanti | Assistant Makeup Artist |
| Sound | Giuseppe Testa | Boom Operator |
| Camera | Antonio Scaramuzza | Assistant Camera |
| Lighting | Amilcare Cuccoli | Gaffer |
| Camera | Ennio Picconi | Key Grip |
| Camera | Franco Vitale | Still Photographer |
| Sound | Fausto Ancillai | Sound Mixer |