 | Alberto Sordi als Rodolfo Nardi |
 | Aldo Fabrizi als Alessandro Biagi, il suocero di Nardi |
 | Marisa de Leza als Marina Biagi |
 | Franco Silva als Gigi Biagi, cognato di Rodolfo |
 | Rita Giannuzzi als Isa, la fidanzata di Gigi |
 | Sergio Raimondi als Tullio Biagi, cognato di Rodolfo |
 | Turi Pandolfini als Il nonno di Gianni |
 | Achille Majeroni als maestro di canto |
| Pina Bottin als Rosa, la cameriera |
 | Riccardo Billi als Romoletto, il giornalaio |
 | Paola Borboni als Sonia Varonowska |
| Gina Amendola als sora Mimma |
| Fulvio Manes als Peppetto Biagi |
 | Elli Parvo als il contralto Fasòli |
| Nadia Bianchi |
| Mario Passante |
 | Nerio Bernardi |
 | Mino Doro |
| Mario Bonnard | Director |
| Ruggero Maccari | Screenplay |
| Ettore Scola | Screenplay |
| Felice Zappulla | Producer |
| Fulvio Pazziloro | Story |
| Giovanni Grimaldi | Screenplay |
| Giulio Bonnard | Original Music Composer |
| Tino Santoni | Director of Photography |
| Peppino Piccolo | Production Design |
| Sergio Leone | First Assistant Director |
| Liana Ferri | Script Supervisor |
| Enrico Cignitti | Camera Operator |
| Mario Messina | Sound |
| Luigi D'Andria | Set Decoration |
| Enrico Bologna | Unit Manager |
| Franco Freda | Makeup Artist |
| Fiamma Rocchetti | Hairstylist |
| Mario Mancini | Assistant Camera |
| Carmelo Zappulla | Production Secretary |
| Corrado Cirinnà | Production Secretary |
| Mario Serandrei | Editor |
| Armando Grottini | Production Manager |
