 | Etchika Choureau als Simone |
 | Jean-Pierre Mocky als Pierre |
 | Jacques Sempey als André |
 | Henri Poirier als Georges |
| Annie Noël als Pauline |
| Guy De Meulan als Paul |
| Franco Interlenghi als Claudio |
 | Anna Maria Ferrero als Marina |
 | Evi Maltagliati als Claudio's Mother |
 | Eduardo Ciannelli als Claudio's Father |
 | Peter Reynolds als Aubrey Hallan |
 | Patrick Barr als Ken Wharton |
 | Fay Compton als Mrs. Pinkerton |
 | Eileen Moore als Sally |
| Jeanne Stuart |
| Armando Cereoli als Doorman (uncredited) |
| Sergio Crosia als Boy Rubbing Ice (uncredited) |
 | Mario Feliciani als Commissario (uncredited) |
| Charles Irvin als (uncredited) |
| André Jacques als (uncredited) |
| Tony Kilshaw als (uncredited) |
 | Raymond Lovell als (uncredited) |
 | Albert Michel als Georges's Father (uncredited) |
 | Gastone Renzelli als (uncredited) |
 | Umberto Spadaro als (uncredited) |
| Derek Tansley als (uncredited) |
| Fred Victor als (uncredited) |
| Michelangelo Antonioni | Director |
| Eraldo Da Roma | Editor |
| Michelangelo Antonioni | Story |
| Suso Cecchi d'Amico | Story |
| Diego Fabbri | Story |
| Turi Vasile | Story |
| Suso Cecchi d'Amico | Screenplay |
| Michelangelo Antonioni | Screenplay |
| Francesco Rosi | First Assistant Director |
| Alain Cuny | Second Assistant Director |
| Jimmy Mason | Second Assistant Director |
| Pietro Notarianni | Second Assistant Director |
| Alberto Bartolomei | Sound |
| Gianni Polidori | Production Design |
| Roland Berthon | Production Design |
| Aldo Scavarda | Camera Operator |
| Giuliana Trivellato | Script Supervisor |
| Giovanni Fusco | Original Music Composer |
| Enzo Serafin | Director of Photography |
| Paolo Moffa | Production Manager |
| Diego Fabbri | Screenplay |
| Turi Vasile | Screenplay |
| Roger Nimier | Screenplay |
| Turi Vasile | Producer |
| Mario Gabrielli | Executive Producer |
| Claude Heymann | Production Manager |
