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Ed Stoppard as Alan Turing |
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Henry Goodman as Franz Greenbaum |
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Paul McGann as Himself - Narrator (voice) |
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Asa Briggs as Himself - Codebreaker, Bletchley Park |
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Jean Valentine as Herself - WRNS and Bombe Operator, Bletchley Park |
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David Leavitt as Himself - Alan Turing's Biographer |
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Rolf Noskwith as Himself - Codebreaker, Bletchley Park |
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Dermot Turing as Himself - Alan Turing's Nephew |
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Christopher Morcom as Himself - Christopher Morcom's Nephew (as Christopher Morcom QC) |
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Ian Stewart as Himself - University of Warwick (as Professor Ian Stewart) |
| Directing | Clare Beavan | Director |
| Writing | Craig Warner | Writer |
| Production | Jennifer Beamish | Producer |
| Production | Clare Beavan | Producer |
| Production | Ryan Greenawalt | Executive Producer |
| Production | Patrick Sammon | Executive Producer |
| Production | Paul Sen | Executive Producer |
| Sound | Edward White | Music |
| Camera | Rob Goldie | Director of Photography |
| Camera | Andy Jackson | Director of Photography |
| Directing | Nic Stacey | Director |
