Benedict Cumberbatch
Alan Turing
During World War II, the English mathematical genius Alan Turing tries to crack the German Enigma code with help from fellow mathematicians while attempting to come to terms with his troubled private life.
Alan Turing
Joan Clarke
Hugh Alexander
Detective Robert Nock
John Cairncross
Peter Hilton
Commander Denniston
Stewart Menzies
Jack Good
Sergeant Staehl
Superintendent Smith
Keith Furman
Charles Richards
Young Alan Turing
Christopher Morcom
Helen
Sherborne Student 1
Sherborne Student 2
Sherborne Student 3
Joan's Father
Director
