Cast
Starring
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
