Synopsis
Based on the real life story of legendary cryptanalyst Alan Turing, the film portrays the nail-biting race against time by Turing and his brilliant team of code-breakers at Britain's top-secret Government Code and Cypher School at Bletchley Park, during the darkest days of World War II.
Cast

Benedict Cumberbatch
Alan Turing

Keira Knightley
Joan Clarke

Matthew Goode
Hugh Alexander

Rory Kinnear
Detective Robert Nock

Allen Leech
John Cairncross

Matthew Beard
Peter Hilton

Charles Dance
Commander Denniston

Mark Strong
Stewart Menzies

James Northcote
Jack Good

Tom Goodman-Hill
Sergeant Staehl

Steven Waddington
Superintendent Smith

Ilan Goodman
Keith Furman

Jack Tarlton
Charles Richards

Alex Lawther
Young Alan Turing

Jack Bannon
Christopher Morcom

Tuppence Middleton
Helen

Dominic Charman
Sherborne Student 1

James G. Nunn
Sherborne Student 2
Charlie Manton
Sherborne Student 3

David Charkham
Joan's Father

Victoria Wicks
Joan's Mother

Andrew Havill
Teacher
Laurence Kennedy
Headmaster

Tim van Eyken
MI6 Agent
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