A veteran Russian spy is brought out of retirement to be sent to the West to do an important sabotage job. However, he finds himself falling in love with an attractive British double agent.
| Directing | Boris Sagal | Director |
| Writing | John Blackburn | Novel |
| Writing | Stanford Whitmore | Writer |
| Production | Jack Laird | Producer |
| Sound | Ron Grainer | Music |
| Camera | Arthur Grant | Director of Photography |
| Editing | Archie Ludski | Editor |
| Art | Bernard Robinson | Art Direction |
