 | Aldo Fabrizi als Cesare Cantelli |
 | Alberto Sordi als Giulio Parmitoni |
 | Mara Berni als Mara |
 | Walter Chiari als Walter Polacchi |
 | Peppino De Filippo als Peppino |
 | Nino Besozzi als Professor Zaccanti |
 | Mario Riva als Mario |
 | Riccardo Billi als Riccardo |
 | Ignazio Balsamo als detenuto |
 | Enrico Luzi als detenuto |
 | Turi Pandolfini als detenuto |
 | Carlo Romano |
| Natale Cirino |
| Antonio Nicotra |
 | Memmo Carotenuto |
| Augusto Di Giovanni |
| Attilio Bossio |
| Giorgio Bianchi | Director |
| Ruggero Maccari | Screenplay |
| Ettore Scola | Screenplay |
| Giovanni Grimaldi | Screenplay |
| Felice Zappulla | Story |
| Adriana Novelli | Editor |
| Tonino Delli Colli | Director of Photography |
| Felice Zappulla | Producer |
| Nino Rota | Original Music Composer |
| Franco Ferrara | Conductor |
| Peppino Piccolo | Production Design |
| Enrico Bologna | Unit Manager |
| Silvana Mangini Colizzi | First Assistant Director |
| Raffaele Crivaro | Second Assistant Director |
| Sergio Bergamini | Camera Operator |
| Giovanni Rossi | Sound |
| Luigi D'Andria | Set Decoration |
| Ambrogio Molteni | Script Supervisor |
| Romolo De Martino | Makeup Artist |
| Anna Cristofani | Hairstylist |
| Carmelo Zappulla | Production Secretary |
| Armando Grottini | Production Manager |
