 | Marcello Mastroianni als Giovanni Pontano |
 | Jeanne Moreau als Lidia |
 | Monica Vitti als Valentina Gherardini |
 | Bernhard Wicki als Tommaso Garani |
 | Rosy Mazzacurati als Rosy |
 | Maria Pia Luzi als Un'invitata |
 | Guido A. Marsan als Fanti |
| Vittorio Bertolini |
| Vincenzo Corbella als Mr. Gherardini |
| Ugo Fortunati als Cesarino |
| Gitt Magrini als Signora Gherardini |
| Giorgio Negro als Roberto |
| Roberta Speroni als Beatrice |
 | Umberto Eco als Man at the Party (uncredited) |
| Michelangelo Antonioni | Screenplay |
| Michelangelo Antonioni | Director |
| Michelangelo Antonioni | Story |
| Ennio Flaiano | Story |
| Tonino Guerra | Screenplay |
| Ennio Flaiano | Screenplay |
| Tonino Guerra | Story |
| Gianni Di Venanzo | Director of Photography |
| Paolo Frascà | Production Manager |
| Emanuele Cassuto | Producer |
| Piero Zuffi | Production Design |
| Giorgio Gaslini | Original Music Composer |
| Eraldo Da Roma | Editor |
| Franco Freda | Makeup Artist |
| Franco Indovina | First Assistant Director |
| Berto Pelosso | First Assistant Director |
| Liana Ferri | Script Supervisor |
| Claudio Maielli | Sound |
| Pasqualino De Santis | Camera Operator |
| Mimì Chaperon | Makeup Artist |
| Amalia Paoletti | Hairstylist |
| Simone Knapp | Hairstylist |
| Mauro Bertinotti | Assistant Production Design |
| Mario Solá | Assistant Production Design |
| Giuseppe Ranieri | Assistant Production Design |
| Sergio Strizzi | Still Photographer |
| Roberto Cocco | Unit Manager |
