A young man travels to Prague to join his new employer, unaware that he is being used as an espionage courier.
| Directing | Ralph Thomas | Director |
| Writing | Lionel Davidson | Novel |
| Writing | Lukas Heller | Screenplay |
| Production | Betty E. Box | Producer |
| Sound | Angelo Francesco Lavagnino | Original Music Composer |
| Camera | Ernest Steward | Director of Photography |
| Editing | Alfred Roome | Editor |
| Art | Syd Cain | Art Direction |
| Costume & Make-Up | Yvonne Caffin | Costume Design |
