After graduating in correspondence detective, Riccardo Finzi arrives in Milan. The first case he deals with is the death of a young maid. Cockpit in a surreal yellow from a novel by Luciano Secchi.
| Production | Galliano Juso | Producer |
| Directing | Bruno Corbucci | Director |
| Directing | Roberto Tatti | First Assistant Director |
| Art | Claudio Cinini | Production Design |
| Costume & Make-Up | Silvio Laurenzi | Costume Design |
| Editing | Daniele Alabiso | Editor |
| Sound | Guido De Angelis | Original Music Composer |
| Sound | Maurizio De Angelis | Original Music Composer |
| Writing | Mario Amendola | Story |
| Writing | Mario Amendola | Screenplay |
| Writing | Bruno Corbucci | Story |
| Writing | Bruno Corbucci | Screenplay |
| Writing | Luciano Secchi | Co-Writer |
| Writing | Luciano Secchi | Novel |
| Camera | Giovanni Ciarlo | Director of Photography |
| Production | Pietro Innocenzi | Production Manager |
| Production | Renato Fiè | Unit Manager |
| Directing | Vanda Tuzzi | Script Supervisor |
| Editing | Brigida Mastrolillo | Assistant Editor |
| Camera | Giuseppe Di Biase | Camera Operator |
| Sound | Alvaro Orsini | Sound |
| Sound | Umberto Innocenzi | Boom Operator |
| Camera | Fabrizio Borelli | Assistant Camera |
| Costume & Make-Up | Fabrizio Sforza | Makeup Artist |
| Costume & Make-Up | Luciano Vito | Hairstylist |
| Sound | Bruno Moreal | Sound Mixer |