निर्देशक: मोर्टन टाइल्डम
बेनेडिक्ट कम्बरबैच
Alan Turing
किएरा नाइटली
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
