The inmate Proietti, nicknamed "Er Soffia", getting out of prison. There is the Roman brigadier Vasco Sacchetti, an agent of the narcotics and his old friend who, to celebrate his freedom, invites him to eat fish at Fiumicino.
Unfortunately the movie Piedipiatti is not yet available on HBO Max.
| Directing | Carlo Vanzina | Director |
| Camera | Luigi Kuveiller | Director of Photography |
| Sound | Bruno Kassar | Original Music Composer |
| Production | Mario Cecchi Gori | Producer |
| Production | Silvia Brusati | Unit Manager |
| Writing | Carlo Vanzina | Screenplay |
| Writing | Enrico Vanzina | Story |
| Writing | Enrico Vanzina | Screenplay |
| Writing | Enrico Montesano | Story |
| Sound | Aurelio Pennacchia | Sound Editor |
| Production | Aldo Santarelli | Line Producer |
| Art | Stefano Bulgarelli | Set Decoration |
| Costume & Make-Up | Stefano Cioncolini | Assistant Costume Designer |
| Production | Raffaello Saragò | Associate Producer |
| Production | Vittorio Cecchi Gori | Producer |
| Sound | Carlo Palmieri | Sound |
| Sound | Piero Fondi | Sound |
| Art | Eleonora Ponzoni | Assistant Production Design |
| Camera | Antonio Annunziata | Assistant Camera |
| Camera | Gianfranco Leccese | Assistant Camera |
| Costume & Make-Up | Vera Cozzolino | Costume Design |
| Camera | Emilio Lari | Still Photographer |
| Editing | Alberto Gallitti | Editor |
| Costume & Make-Up | Bianca Erba | Seamstress |
| Camera | Cesare Emidi | Key Grip |
| Production | Massimo Santorsola | Unit Manager |
| Camera | Massimiliano Sano | Camera Operator |
| Art | Nazzareno Piana | Assistant Production Design |
| Production | Isabella Mariano | Production Secretary |
| Writing | Carlo Vanzina | Story |
| Writing | Piero De Bernardi | Screenplay |
| Production | Antonio Saragò | Unit Manager |
| Sound | Riccardo Eberspacher | Music Arranger |
| Production | Anna Maria Novelli | Administration |
| Production | Marina Bello | Production Secretary |
| Sound | Danilo Moroni | Sound Mixer |
| Writing | Leonardo Benvenuti | Screenplay |
| Directing | Paola Bonelli | Script Supervisor |
| Camera | Pietro Clemente | Assistant Camera |
| Costume & Make-Up | Adonella De Rossi | Makeup Artist |
| Costume & Make-Up | Carla Rita Pons | Seamstress |
| Art | Angeluccio Maccarinelli | Property Master |
| Costume & Make-Up | Gianna Viola | Hairstylist |
| Editing | Vanda Olasio | Assistant Editor |
| Art | Lorenzo Baraldi | Production Design |
| Directing | Massimo Carocci | First Assistant Director |
| Camera | Nicola Pecorini | Steadicam Operator |
| Production | Maria Teresa Di Mario | Accountant |
| Editing | Stefania Puglisi | Assistant Editor |
| Lighting | Sergio Coletta | Gaffer |
| Directing | Maurizio Simonetti | Second Assistant Director |
| Crew | Riccardo Mioni | Stunt Coordinator |
| Crew | Renato Agostini | Special Effects |