Trailer
 | Jean Valmont as Marcel Mauriac |
 | Krista Nell as Greta Nielsen |
 | George Patton as Commissario |
 | John Benedy as Robert Servais (as John Bennedy) |
 | Tullio Altamura as LeClerc (as Tor Altmayer) |
 | Aldo Bufi Landi as Charles Clancy |
 | Antonio De Leo as Louis (as Tony De Leo) |
 | Franco Jamonte |
 | Ugo Adinolfi as (credit only) |
 | Franco Pasquetto as Michel |
 | Gianni Pulone as (credit only) |
 | Franco Ressel as Mr. Wilkins |
 | Fabienne Dali as Josette |
| Directing | |
| Franco Montemurro | Director |
Writing | |
| Franco Montemurro | Screenplay |
Editing | |
| Jolanda Benvenuti | Editor |
Writing | |
| Georges Reville | Screenplay |
Camera | |
| Augusto Tiezzi | Director of Photography |
Sound | |
| Angelo Francesco Lavagnino | Original Music Composer |
Editing | |
| Fortunato Misiano | Editor |
Costume & Make-Up | |
| Walter Patriarca | Costume Design |
Writing | |
| Gianfranco Clerici | Screenplay |
Art | |
| Pier Vittorio Marchi | Art Direction |
Camera | |
| Enrico Betti Berutto | Camera Operator |
Directing | |
| Jean Lefèvre | Assistant Director |
Production | |
| Elio Saroli | Unit Manager |
Camera | |
| Renato Mascagno | Assistant Camera |
Production | |
| Fortunato Misiano | Producer |
| Nino Misiano | Production Manager |
Directing | |
| Mirella Malatesta | Script Supervisor |
| Gianfranco Clerici | Assistant Director |
