A low-ranking Secret Service agent is conned into supplying information to Eastern Bloc countries. Although he is not a suspect due to his unimportant position, when his office partner is hauled in as a suspect he realises he has got himself into very deep water.
| Writing | Tom Stoppard | Screenplay |
| Writing | Graham Greene | Novel |
| Directing | Otto Preminger | Director |
| Costume & Make-Up | Hope Bryce | Costume Design |
| Costume & Make-Up | Michael Morris | Makeup Artist |
| Production | Rose Tobias Shaw | Casting |
| Camera | John Jay | Still Photographer |
| Editing | Hazel Harste | Assistant Editor |
| Production | Otto Preminger | Producer |
| Production | Val Robins | Production Supervisor |
| Sound | Valerie Lesser | Music Editor |
| Sound | Gary Logan | Original Music Composer |
| Directing | Kip Gowans | Assistant Director |
| Sound | Richard Logan | Original Music Composer |
| Camera | Mike Molloy | Director of Photography |
| Production | Rick Anderson | Location Manager |
| Costume & Make-Up | Jan Dorman | Hairstylist |
| Art | Tony Teiger | Property Master |
| Art | Saul Bass | Title Designer |
| Art | Kenneth Ryan | Art Direction |
| Lighting | Roy Rodhouse | Electrician |
| Editing | Richard Trevor | Editor |
