 | Nino Manfredi als Marino Balestrini |
 | Ugo Tognazzi als Umberto Ciceri |
 | Pamela Tiffin als Marisa Di Giovanni |
 | Moira Orfei als Adelaide |
 | Livio Lorenzon als Artemio Di Giovanni |
 | Gigi Ballista als Engineer |
 | Pietro Tordi als Fra' Arduino |
| Samson Burke als Guido Scortichini (as Sam Burke) |
 | Checco Durante als Director of the waiter agency |
 | Edda Ferronao als Teresa, friend of Marisa |
 | Michele Cimarosa als Vincenzo Pittiluti, the barber |
 | Domenico Ravenna als Party guest |
| Anna Lina Alberti als employed in the ads of Il Messaggero (uncredited) |
| Gianni Baghino als Patient in the Hospital (uncredited) |
 | Jed Curtis als A monk (uncredited) |
| Consalvo Dell'Arti als Guest at the Party (uncredited) |
 | Donatella Della Nora als woman of the appointment at the Axum obelisk (uncredited) |
| Antonietta Fiorito als (uncredited) |
 | Ettore Garofolo als Barista (uncredited) |
 | Ettore Geri als Guest at the Party (uncredited) |
 | Alfonso Giganti als Onlooker (uncredited) |
 | Veriano Ginesi als Cleaning man and Ex boxer (uncredited) |
| Mara Krupp als False manicure of the ad (uncredited) |
 | Enrico Marciani als The Hospital Consultant (uncredited) |
 | Fulvio Mingozzi als Guest at the Party (uncredited) |
| Francesco Sormano als The General at the Party (uncredited) |
| Luca Sportelli als The Hospital Consultant's Assistant (uncredited) |
 | Maria Tedeschi als Guest at the Party (uncredited) |
| Dino Risi | Director |
| Agenore Incrocci | Screenplay |
| Furio Scarpelli | Screenplay |
| Dino Risi | Story |
| Antonietta Zita | Editor |
| Edmondo Amati | Producer |
| Maurizio Amati | Executive Producer |
| Jacques Roitfeld | Producer |
| Agenore Incrocci | Story |
| Furio Scarpelli | Dialogue |
| Armando Trovajoli | Original Music Composer |
| Alessandro D'Eva | Cinematography |
| Luigi Scaccianoce | Production Designer |
| Luigi Scaccianoce | Set Designer |
| Gaia Romanini | Costume Designer |
| Giancarlo De Leonardis | Hairstylist |
| Nilo Jacoponi | Makeup Artist |
| Piero Lazzari | Production Manager |
| Renzo Genta | Second Assistant Director |
| Francesco Massaro | Assistant Director |
| Francesco Bronzi | Assistant Set Decoration |
| Dante Ferretti | Assistant Set Designer |
| Luigi Scaccianoce | Set Decoration |
| Bruno Brunacci | Sound |
| Furio Castelli | Sound |
| Oddone Bernardini | Assistant Camera |
| Salvatore Caruso | Camera Operator |
| Giovanni Ciarlo | Camera Operator |
| Rinsacimento Vaselli | Still Photographer |
| Antonio Randaccio | Assistant Costume Designer |
| Annamaria Roca | Assistant Editor |
| Rita Agostini | Continuity |
