Arthur Simon Simpson is a small-time crook biding his time in Greece. One of his potential victims turns out to be a gentleman thief planning to steal the emerald-encrusted dagger of the Mehmed II from Istanbul's Topkapi Museum.
| Directing | Jules Dassin | Director |
| Writing | Eric Ambler | Novel |
| Writing | Monja Danischewsky | Screenplay |
| Production | Jules Dassin | Producer |
| Camera | Henri Alekan | Director of Photography |
| Editing | Roger Dwyre | Editor |
| Sound | Manos Hatzidakis | Original Music Composer |
| Camera | Gilbert Chain | Camera Operator |
| Camera | Max Lechevallier | Assistant Camera |
| Camera | René Chabal | Assistant Camera |
| Crew | Raymond Picon Borel | Second Unit Cinematographer |
| Crew | Philippe Brun | Second Unit Cinematographer |
| Art | Max Douy | Set Decoration |
| Art | Jacques Douy | Assistant Set Decoration |
| Art | André Labussière | Set Dresser |
| Costume & Make-Up | Denny Vachlioti | Costume Design |
| Editing | Johnny Dwyre | Assistant Editor |
| Editing | Daniele Grimberg | Assistant Editor |
| Editing | Patrick Clement-Bayard | Assistant Editor |
| Sound | William Robert Sivel | Sound Engineer |
| Crew | Lucie Lichtig | Script |
| Camera | Roger Corbeau | Still Photographer |
| Costume & Make-Up | Amato Garbini | Makeup Artist |
| Production | André Cultet | Production Manager |
| Production | Claude Hauser | Assistant Production Manager |
| Directing | Tom Pevsner | Assistant Director |
| Directing | Joe Dassin | Second Assistant Director |
| Directing | Ali Çakus | Second Assistant Director |
| Directing | Stepan Melikyan | Second Assistant Director |
| Crew | Jean Fouchet | Title Graphics |
| Production | Roger Dwyre | Associate Producer |
