Western intelligence agents try, by all means necessary, to prevent a Communist-bloc defector from leaving the West in his bid to return home to lead an uprising.
| Directing | Cyril Frankel | Director |
| Writing | Robin Estridge | Screenplay |
| Writing | Robin Estridge | Novel |
| Production | Paul Mills | Producer |
| Sound | Richard Rodney Bennett | Music |
| Editing | Ernest Walter | Editor |
| Art | Theodor Harisch | Production Design |
| Costume & Make-Up | Emmi Minnich | Costume Design |
| Costume & Make-Up | Peppi Wanke | Costume Design |
| Costume & Make-Up | George Partleton | Makeup Artist |
| Art | Elliot Scott | Production Design |
| Production | Denis Johnson | Production Supervisor |
| Camera | Freddie Young | Director of Photography |
