演員表
- 導演：
- 編劇：
- Nic Stacey ............(documentary director)
- Simon Berthon ............(documentary script)
- Craig Warner ............(writer)
- 演員：
- 艾德斯托帕德 Ed Stoppard ............Alan Turing
- 亨利古德曼 Henry Goodman ............Franz Greenbaum
- Paul McGann ............Himself - Narrator (voice)
- Asa Briggs ............Himself - Codebreaker, Bletchley Park
- Jean Valentine ............Herself - WRNS and Bombe Operator, Bletchley Park
- David Leavitt ............Himself - Alan Turing's Biographer
- Rolf Noskwith ............Himself - Codebreaker, Bletchley Park
- Dermot Turing ............Himself - Alan Turing's Nephew
