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1. 

   Ed Stoppard

   Alan Turing

2. 

   Henry Goodman

   Franz Greenbaum

3. 

   Paul McGann

   Himself - Narrator (voice)

4. Asa Briggs

   Himself - Codebreaker, Bletchley Park

5. Jean Valentine

   Herself - WRNS and Bombe Operator, Bletchley Park

6. David Leavitt

   Himself - Alan Turing's Biographer

7. Rolf Noskwith

   Himself - Codebreaker, Bletchley Park

8. Dermot Turing

   Himself - Alan Turing's Nephew

9. Christopher Morcom

   Himself - Christopher Morcom's Nephew (as Christopher Morcom QC)

10. 

    Ian Stewart

    Himself - University of Warwick (as Professor Ian Stewart)

Екипа 11