William Klein’s first film is an impressionistic study of late-fifties Broadway, an ominous city-symphony lit by bright flickering light. Orson Welles would delcare it "the first film I've seen in which colour was absolutely necessary".
| Directing | William Klein | Director |
| Sound | Maurice Le Roux | Original Music Composer |
| Writing | Chris Marker | Writer |
| Camera | William Klein | Director of Photography |
| Crew | Alain Resnais | Technical Advisor |
| Editing | José Matarasso | Assistant Editor |
| Editing | William Klein | Editor |
| Production | Anatole Dauman | Executive Producer |
