 | Omar Sharif als Federico Fendi |
 | Anouk Aimée als Carla |
 | Didi Perego als Nanny |
 | Fausto Tozzi als Renzo |
 | Lotte Lenya als Emma Valadier |
 | Gabriella Boccardo als Anna |
 | Gigi Proietti |
 | Paola Barbara |
 | Inna Alexeievna |
 | Ennio Balbo |
| Daniela Calvino |
 | Ermelinda De Felice |
 | Angelo Infanti |
| Serena Michelotti |
| Monica Pardo |
| Rodolfo Valadier |
 | Sandro Dori |
 | Cyrus Elias |
| Isabella Guidotti |
| Maria Grazia Marescalchi |
 | Nerina Montagnani |
 | Germana Paolieri |
| Sidney Lumet | Director |
| James Salter | Writer |
| Renata Magnanti | Hairstylist |
| Michael Hart | Sound Editor |
| Martin Poll | Producer |
| John Barry | Music |
| Piero Gherardi | Art Direction |
| Antonio Leonviola | Writer |
| Otello Fava | Makeup Artist |
| Carlo Di Palma | Director of Photography |
| Piero Gherardi | Costume Design |
| Gerry Humphreys | Sound Re-Recording Mixer |
| Thelma Connell | Editor |
| David Hildyard | Sound Recordist |
