![](https://image.tmdb.org/t/p/w92/htc4eCYmNlVotcu8AFTbDiLBzsJ.jpg)
Derek Jacobi
Alan Turing
![](https://image.tmdb.org/t/p/w92/ahx132GjztjnH7gP64Q0NLewUqZ.jpg)
Alun Armstrong
Mick Ross
![](https://image.tmdb.org/t/p/w92/61NhsA2UEjtQVm6IvRijrgZ0W4e.jpg)
Blake Ritson
Christopher Morcom
![](https://image.tmdb.org/t/p/w92/d4LgFFrAo3O5P8FxS5d6qg6bO1E.jpg)
Prunella Scales
Sara Turing
![](https://image.tmdb.org/t/p/w92/w0ItHr1DFWT01i07354nFZ3cX04.jpg)
Harold Pinter
John Smith
Julian Kerridge
Ron Miller
![](https://image.tmdb.org/t/p/w92/fWxg3ExwdJz6JgfsaoS2jfTDtLG.jpg)
Richard Johnson
Dilwyn 'Dilly' Knox
![](https://image.tmdb.org/t/p/w92/tOiRDlvdVFgCp4tkbNQOmmZ7GSL.jpg)
Amanda Root
Patricia 'Pat' Green