A biography of the English mathematician Alan Turing, who was one of the inventors of the digital computer and one of the key figures in the breaking of the Enigma code, used by the Germans to send secret orders to their U-boats in World War II. Turing was also a homosexual in Britain at a time when this was illegal, besides being a security risk.

Genres

Cast

Derek Jacobi

Alan Turing

Alun Armstrong

Mick Ross

Blake Ritson

Christopher Morcom

Prunella Scales

Sara Turing

Harold Pinter

John Smith

Richard Johnson

Dilwyn 'Dilly' Knox

Amanda Root

Patricia 'Pat' Green

William Mannering

Young Alan Turing