 | Walter Chiari als Walter Palaccioni |
 | Lucía Bosè als Clara Montesi |
 | Aroldo Tieri als Carlo |
 | Virgilio Riento als Proprietario Negozio |
 | Eduardo Ciannelli als Capo delle spie (as Edward Ciannelli) |
| Jackie Frost als Olga Voronowska |
| Amedeo Dejana |
| Eugenio Cancelli |
| Enrico Leurini |
| Mario Monicelli | Screenplay |
| Cesare Olivieri | Assistant Director |
| Mario Nascimbene | Original Music Composer |
| Bernardino Zapponi | Screenplay |
| Mario Montuori | Director of Photography |
| Steno | Screenplay |
| Guido Fiorini | Set Decoration |
| Mario Soldati | Director |
| Enrico Blasi | Screenplay |
| Niccolò Theodoli | Producer |
| Roberto Cinquini | Editor |
| Joe D'Amato | Still Photographer |