Nando is dissatisfied with his repetitive and mortifying work. He manages to escape from daily mediocrity only at night, when he enters his fantasy world.
| Writing | Nino Manfredi | Screenplay |
| Writing | Elio Petri | Screenplay |
| Writing | Tommaso Chiaretti | Screenplay |
| Editing | Nino Baragli | Editor |
| Directing | Gianni Puccini | Director |
| Camera | Carlo Di Palma | Director of Photography |
| Sound | Piero Piccioni | Original Music Composer |
| Art | Carlo Egidi | Production Design |
| Art | Giovanni Checchi | Set Decoration |
| Writing | Elio Petri | Story |
| Writing | Tommaso Chiaretti | Story |
| Writing | Nino Manfredi | Story |
| Writing | Gianni Puccini | Story |
| Writing | Gianni Puccini | Screenplay |
| Directing | Elio Petri | First Assistant Director |
| Directing | Rinaldo Ricci | First Assistant Director |
| Directing | Silvana Sonego | Script Supervisor |
| Costume & Make-Up | Thea Boggiatto | Makeup Artist |
| Costume & Make-Up | Violetta Pacelli | Hairstylist |
| Camera | Romolo Romagnoli | Key Grip |
| Lighting | Alfredo Celli | Gaffer |
| Sound | Mario Faraoni | Sound |
| Sound | Mario Morigi | Sound |
| Camera | Dario Di Palma | Camera Operator |
| Production | Gino Fanano | Unit Manager |
| Production | Vittorio Musy Glori | Production Manager |
| Production | Sante Chimirri | Line Producer |
| Production | Tonino Cervi | Producer |
| Production | Alessandro Jacovoni | Producer |