 | Paolo Villaggio als Paolo De Angelis |
 | Agostina Belli als Giorgina Lorenzi |
 | Umberto D'Orsi als Onorevole Giulio Scorzarelli-Micci |
 | Elio Crovetto als Commendator Zamborghelli |
 | Francesco Mulè als Agapito Trigallo |
 | Luciana Turina als Agapito Trigallo |
 | Didi Perego als Signora Scorzarelli-Micci |
 | Carlo Campanini als Padre di Paolo |
 | Nino Besozzi als Presidente Dell'EIAL |
 | Wilma Casagrande als segretaria EIAL |
 | Janine Gaffel als infermiera Elena |
| Gianni Pulone als membro del partito |
| Augusto Soprani |
 | Elio Veller als il vero dott. Paolo De Angelis |
| Mario Amendola | Director |
| Luigi Rovere | Producer |
| Mario Amendola | Story |
| Mario Amendola | Screenplay |
| Bruno Corbucci | Dialogue |
| Elio Manni | Unit Manager |
| Giuliana De Carli | Makeup Artist |
| Virgilio Bardella | First Assistant Director |
| Maria Provenghi | Script Supervisor |
| Claudio Catozzo | Camera Operator |
| Evidio Burattini | Assistant Camera |
| Umberto Picistrelli | Sound |
| Mauro Garbosa | Boom Operator |
| Enzo Falessi | Still Photographer |
| Renato Beer | Production Design |
| Renato Beer | Costume Design |
| Franco Gambarana | Set Decoration |
| Nicola Tamburo | Assistant Production Design |
| Aldo Giordani | Director of Photography |
| Carlo Rustichelli | Original Music Composer |
| Roberto Pregadio | Conductor |
| Renato Cinquini | Editor |
| Carlo Marino | Assistant Editor |
| Renato Panetuzzi | Production Manager |
| Fernanda Ventimiglia | Administration |
