 | Jack Nicholson als David Locke |
 | Maria Schneider als Girl |
 | Jenny Runacre als Rachel Locke |
 | Ian Hendry als Martin Knight |
 | Steven Berkoff als Stephen |
 | Ambroise Mbia als Achebe |
 | José María Caffarel als Hotel Keeper (uncredited) |
 | James Campbell als Witch Doctor (uncredited) |
| Manfred Spies als German Stranger (uncredited) |
 | Jean-Baptiste Tiémélé als Murderer (uncredited) |
 | Ángel del Pozo als Police Inspector (uncredited) |
| Charles Mulvehill als David Robertson (uncredited) |
| Miquel Bordoy als (uncredited) |
| Jaime Doria als (uncredited) |
| Joan Gaspart als Hotel Clerk (uncredited) |
| Narciso Pula als Murderer's Accomplice (uncredited) |
 | Gustavo Re als (uncredited) |
| Enrico Sannia als Cameraman (uncredited) |
| Michelangelo Antonioni | Director |
| Michelangelo Antonioni | Screenplay |
| Mark Peploe | Screenplay |
| Carlo Ponti | Producer |
| Ivan Vandor | Music |
| Luciano Tovoli | Director of Photography |
| Michelangelo Antonioni | Editor |
| Franco Arcalli | Editor |
| Enrico Sannia | Screenplay |
| Piero Poletto | Art Direction |
| Osvaldo Desideri | Set Decoration |
| Louise Stjernsward | Costume Design |
| Franca Silvi | Sound Designer |
| Michael Ellis | Sound Designer |
| Alessandro von Norman | Executive Producer |
| Adalgisa Favella | Hairdresser |
| Franco Freda | Makeup Artist |
| Miguel De Echarri | Screenplay |
| Peter Wollen | Screenplay |
| Mark Peploe | Story |
| Enrica Antonioni | Assistant Director |
| Enrico Sannia | Assistant Director |
| Claudio Taddei | Assistant Director |
| Hercules Bellville | Assistant Director |
| Federico Canudas | Assistant Director |
| Ina Fritsche | Assistant Director |
| Fausto Ancillai | Sound Mixer |
| Cyril Collick | Sound Recordist |
| Alessandro Peticca | Sound Editor |
| Fernando Caso | Sound Effects Editor |
| Primiano Muratori | Sound |
| Franco Letti | Assistant Editor |
