 | Alberto Sordi als Dr. De Benedetti |
 | Annie Girardot als Irène |
 | Fernando Rey als Carlo |
 | Patrick Dewaere als Mara's Lover |
 | Ángela Molina als Martina |
 | Harry Baer als Mario |
 | Marcello Mastroianni als Marco Montefoschi |
 | Stefania Sandrelli als Teresa |
 | Ugo Tognazzi als Professor |
 | Miou-Miou als Angela |
 | Gérard Depardieu als Franco |
 | Orazio Orlando als Ferreri |
 | Giovannella Grifeo als Germana Gargiulo |
 | Lino Murolo als Germana's Father |
 | Ciccio Ingrassia als Sick Man in Ambulance |
 | Francisco Algora als Ambulance Driver |
 | Ferdinando Murolo als Mercedes Passenger |
 | José María Prada als Ricardo, Mercedes Driver |
 | José Vivó als Mercedes Passenger |
| Francisco de Zurbano |
 | Ernst Hannawald als Stefano |
 | Nando Orfei als Montefoschi's Chauffeur Carloni |
| Eleonora Comencini als Girl in Taxi |
 | Gianni Cavina als Pompeo, Teresa's Husband |
 | José Sacristán als The Priest |
| Ester Carloni als Germana's Grandmother |
| Marcello Fusco |
| Mario Dardanelli |
 | Roberto Della Casa |
| Antonietta Esposito |
| Mariano Vitale |
| Susy Lover als Brigida |
| Aldo Riva |
 | José María Caffarel |
| Michael Friedel |
 | Solvi Stübing als Blonde Model |
| Mariana Camara als Black Model |
 | Daniela Igliozzi |
| Enrico Ameri als Self (voice) (uncredited) |
 | Aristide Caporale als Truck Driver (uncredited) |
 | Mario Castaldi als Man Screaming for M. Montefoschi (uncredited) |
| Enrico Lorenzetti als Cyclist (uncredited) |
| Luigi Comencini | Director |
| Ruggero Maccari | Screenplay |
| Bernardino Zapponi | Screenplay |
| Ennio Guarnieri | Director of Photography |
| Luigi Comencini | Screenplay |
| Luigi Comencini | Story |
| Juan Luis Buñuel | Second Unit Director |
| Anna Maria Clementelli | Producer |
| Silvio Clementelli | Producer |
| Nino Baragli | Editor |
| Mario Chiari | Production Design |
| Enzo Eusepi | Set Decoration |
| Paola Comencini | Costume Design |
| Fabrizio Sforza | Makeup Artist |
| Ricky Tognazzi | Assistant Director |
| Massimo Anzellotti | Sound Effects Editor |
| Roberto Arcangeli | Sound Effects |
| Romano Checcacci | Sound Mixer |
| Arno Mathes | Sound Recordist |
| Marcello Crescenzi | Production Manager |
| Fiorenzo Carpi | Original Music Composer |
| Bruno Nicolai | Conductor |
| Lucilla Clementelli | Script Supervisor |
| Antonio Cortés | Set Designer |
| Vanda Pruni | Costume Assistant |
| Iole Cecchini | Hairstylist |
| Luciano Vito | Hairstylist |
| Mario Mazzoni | Still Photographer |
| Renato Ranieri | Camera Operator |
| Antonio Scaramuzza | Assistant Camera |
| Mario Della Torre | Production Supervisor |
| Ennio Appetecchia | Production Secretary |
| Luigi Patrizi | Production Secretary |
| Raffaele Salvatore | Administration |
| Claudio Maielli | Sound |
| Giuliano Maielli | Boom Operator |
| Elvira Tonini | Assistant Editor |
| Angelo Filippini | Second Unit Director of Photography |
