De Amerikaanse gangsterbazin Maggie wil met haar maten Jack en Frank de waardevolle kerkschat van San Gennaro buitmaken. De traditionele gigolo Dudu laat zich met moeite overreden om ook mee te doen. Als hij daarop zijn familie inschakelt voor hulp bij de roof, heeft dat verrassende gevolgen.
Nee, helaas is Operazione San Gennaro nog niet beschikbaar op Netflix in Nederland.
| Directing | Dino Risi | Director |
| Art | Francesco Bronzi | Assistant Production Design |
| Art | Dante Ferretti | Assistant Production Design |
| Writing | Ennio De Concini | Story |
| Camera | Giuseppe Bernardini | Assistant Camera |
| Costume & Make-Up | Bruno Cesari | Assistant Costume Designer |
| Writing | Dino Risi | Story |
| Writing | Ennio De Concini | Screenplay |
| Editing | Franco Fraticelli | Editor |
| Sound | Romano Pampaloni | Sound |
| Production | Turi Vasile | Producer |
| Writing | Nino Manfredi | Screenplay |
| Directing | Giovanni Fabbri | Second Assistant Director |
| Directing | Tony Tounsi | Second Assistant Director |
| Production | Guglielmo Carbonaro | Production Secretary |
| Crew | Eros Bacciucchi | Special Effects |
| Writing | Dino Risi | Screenplay |
| Production | Michele Marsala | Unit Manager |
| Art | Luigi Scaccianoce | Production Design |
| Sound | Armando Trovajoli | Original Music Composer |
| Writing | Adriano Baracco | Screenplay |
| Costume & Make-Up | Maurizio Chiari | Costume Design |
| Directing | Franco Montemurro | First Assistant Director |
| Directing | Rita Agostini | Script Supervisor |
| Costume & Make-Up | Iolanda Conti | Hairstylist |
| Camera | Luigi Di Giorgio | Assistant Camera |
| Camera | Giovanni Battista Poletto | Still Photographer |
| Camera | Elio Polacchi | Camera Operator |
| Costume & Make-Up | Michele Trimarchi | Makeup Artist |
| Sound | Oscar De Arcangelis | Sound |
| Production | Danilo Marciani | Production Manager |
| Camera | Aldo Tonti | Director of Photography |