On screen
Cast
10 credited performers
Ed Stoppard
Alan Turing
Henry Goodman
Franz Greenbaum
Paul McGann
Himself - Narrator (voice)
Artwork unavailable
Asa Briggs
Himself - Codebreaker, Bletchley Park
Artwork unavailable
Jean Valentine
Herself - WRNS and Bombe Operator, Bletchley Park
Artwork unavailable
David Leavitt
Himself - Alan Turing's Biographer
Artwork unavailable
Rolf Noskwith
Himself - Codebreaker, Bletchley Park
Artwork unavailable
Dermot Turing
Himself - Alan Turing's Nephew
Artwork unavailable
Christopher Morcom
Himself - Christopher Morcom's Nephew (as Christopher Morcom QC)
Ian Stewart
Himself - University of Warwick (as Professor Ian Stewart)