British agent Alec Leamas refuses to come in from the Cold War during the 1960s, choosing to face another mission, which may prove to be his final one.
| Directing | Martin Ritt | Director |
| Writing | John le Carré | Novel |
| Writing | Paul Dehn | Screenplay |
| Writing | Guy Trosper | Screenplay |
| Production | Martin Ritt | Producer |
| Camera | Oswald Morris | Director of Photography |
| Editing | Anthony Harvey | Editor |
| Art | Edward Marshall | Art Direction |
| Art | Tambi Larsen | Production Design |
| Art | Hal Pereira | Production Design |
| Art | Josie MacAvin | Set Decoration |
| Costume & Make-Up | Sophie Devine | Costume Supervisor |
| Costume & Make-Up | Eric Allwright | Makeup Artist |
| Costume & Make-Up | George Frost | Makeup Artist |
| Costume & Make-Up | Joan Smallwood | Hairstylist |
| Production | James H. Ware | Production Manager |
| Production | Wim Lindner | Production Manager |
| Sound | Sol Kaplan | Original Music Composer |
| Costume & Make-Up | Barbara Gillett | Wardrobe Master |
| Sound | John Cox | Sound Recordist |
| Sound | John W. Mitchell | Sound Recordist |
