A biography of the English mathematician Alan Turing, who was one of the inventors of the digital computer and one of the key figures in the breaking of the Enigma code, used by the Germans to send secret orders to their U-boats in World War II. Turing was also a homosexual in Britain at a time when this was illegal, besides being a security risk.
| Directing | Herbert Wise | Director |
| Writing | Andrew Hodges | Book |
| Writing | Hugh Whitemore | Writer |
| Production | Rebecca Eaton | Executive Producer |
| Production | John Drury | Executive Producer |
| Production | Jack Emery | Producer |
| Production | Richard Langridge | Executive Producer |
| Production | Andrew Rowley | Producer |
| Camera | Robin Vidgeon | Director of Photography |
| Editing | Laurence Méry-Clark | Editor |
| Production | Pippa Ailion | Casting |
| Art | Barbara Gosnold | Production Design |
| Art | Fiona McNeill | Art Direction |
| Costume & Make-Up | Frances Tempest | Costume Design |
| Costume & Make-Up | Kate Benton | Makeup Artist |
| Costume & Make-Up | Kate Hodgson | Makeup Artist |
| Costume & Make-Up | Pam Meager | Makeup Designer |
| Sound | Philip Alton | Sound Editor |
| Sound | Maurice Hillier | Sound Recordist |