 | Nino Manfredi als Cacopardo / Angelo Perfili / Ercole / il voyeur / operaio dei telefoni / Maurizio / Nanni |
 | Sylva Koscina als Self |
 | Enrico Maria Salerno als Carlo Alberto Ribaudo |
 | Nerina Montagnani als Old Farmer |
 | Véronique Vendell als Manuela |
 | Guido Spadea als Judge Di Lorenzo |
 | Daniela Giordano als Luisa |
 | Umberto D'Orsi als Federico |
 | Marcello Prando als Marcello |
| Luca Sportelli als Colleague of Ercole |
| Lisa Halvorsen als Inge, wife of Maurizio |
 | John Karlsen als Psychiatrist |
| Jacques Stany als Male Nurse |
 | Jimmy il Fenomeno als Neurotic Patient |
 | Lia Tanzi als Naked Announcer |
| Bruno Boschetti |
| Armando Trovajoli | Original Music Composer |
| Ruggero Maccari | Screenplay |
| Ezio Altieri | Costume Design |
| Dino Risi | Director |
| Alessandro D'Eva | Director of Photography |
| Erico Menczer | Director of Photography |
| Jaja Fiastri | Screenplay |
| Alberto Gallitti | Editor |
| Pio Angeletti | Producer |
| Adriano De Micheli | Producer |
| Luciano Ricceri | Production Design |
| Ruggero Maccari | Story |
| Dino Risi | Story |
| Fabio Carpi | Story |
| Bernardino Zapponi | Story |
| Renato Rizzuto | First Assistant Director |
| Rita Agostini | Script Supervisor |
| Adriano Incrocci | Second Assistant Director |
| Michele Trimarchi | Makeup Artist |
| Iolanda Conti | Hairstylist |
| Rosanna Andreoni | Assistant Costume Designer |
| Lidia Pascolini | Assistant Editor |
| Giovanni Ciarlo | Camera Operator |
| Hermes Gallippi | Unit Manager |
| Walter Massi | Accountant |
| Vittorio Massi | Sound |
| Ludovico Scardella | Sound |
| Amerigo Casagrande | Key Grip |
| Aldo Carocci | Gaffer |
| Antonio Mazza | Production Manager |
