 | Maria Schell als Natalia |
 | Marcello Mastroianni als Mario |
 | Jean Marais als L'Inquilino |
 | Marcella Rovena als La Padrona della Pensione |
 | Maria Zanoli als La Domestica |
 | Elena Fancera als La Cassiera |
 | Lanfranco Ceccarelli als Un Coinvolto nella Rissa |
| Angelo Galassi als Un Coinvolto nella Rissa |
 | Renato Terra als Un Coinvolto nella Rissa |
 | Corrado Pani als Un Giovinastro |
| Dirk Sanders als Il Ballerino |
 | Clara Calamai als La Prostituta |
 | Giorgio Albertazzi als L'Inquilino / Narratore (uncredited) |
 | Lys Assia als La Cantante (uncredited) |
| Romano Barbieri als Il Figlio della Famiglia Amica di Mario (uncredited) |
| Alberto Carloni als Il Locandiere (uncredited) |
| Dino D'Aquilio als Un Ragazzino (uncredited) |
 | Enzo Doria als Il Marinaio Che Balla (uncredited) |
| Anna Filippini als La Figlia della Famiglia Amica di Mario (uncredited) |
| Carla Foscari als (uncredited) |
| Biagio Gambini als Dancer (uncredited) |
| Ferdinando Gerra als Il Padre della Famiglia Amica di Mario (uncredited) |
| Giorgio Listuzzi als La Guardia di Finanza (uncredited) |
| Leonilde Montesi als La Madre della Famiglia Amica di Mario (uncredited) |
 | Sandro Moretti als Un Giovinastro (uncredited) |
 | Mimmo Palmara als L'Uomo Che Gioca a Carte con la Prostituta (uncredited) |
 | Winni Riva als (uncredited) |
| Sandra Verani als (uncredited) |
| Franco Cristaldi | Producer |
| Nino Rota | Original Music Composer |
| Luchino Visconti | Director |
| Mario Serandrei | Editor |
| Mario Chiari | Production Design |
| Enzo Eusepi | Set Decoration |
| Piero Tosi | Costume Design |
| Alberto De Rossi | Makeup Artist |
| Pietro Notarianni | Production Manager |
| Silvano Ippoliti | Camera Operator |
| Giuseppe Rotunno | Director of Photography |
| Suso Cecchi d'Amico | Screenplay |
| Renata Magnanti | Hairstylist |
| Oscar Di Santo | Sound |
| Vittorio Trentino | Sound |
| Paul Ronald | Still Photographer |
| Ruggero Mastroianni | Assistant Editor |
| Vanda Tuzzi | Script Supervisor |
| Fyodor Dostoevsky | Novel |
| Luchino Visconti | Screenplay |
| Luchino Visconti | Story |
| Suso Cecchi d'Amico | Story |
| Mario Garbuglia | Assistant Production Design |
| Eva Latini | Assistant Editor |
| Gabriele Palmieri | Script Supervisor |
| Guglielmo Colonna | Production Supervisor |
| Lucio Orlandini | Production Secretary |
| Renato Jaboni | Production Secretary |
| Franco Ferrara | Conductor |
| Jean-Paul Guibert | Producer |
| Giuseppe Maggi | Producer |
| Mario Maggi | Producer |
| Nando Cicero | Assistant Director |
| Albino Cocco | Assistant Director |
| Italo Tomassi | Art Department Manager |
| Dirk Sanders | Choreographer |
