Gary Oldman stars in Tomas Alfredson's adaptation of John Le Carru's classic cold war novel about a British spy who comes out of retirement to track down a Russian operative working within MI6.
Following the capture of a British agent in Communist Hungary, veteran spy George Smiley is forced out of his job. However, after a field agent raises suspicions that there's a mole at the top of the chain of command, he is secretly called upon by the government to investigate. He enlists the help of trusted confidant Peter Guillam and sets about trying to find out if the allegation is true - and if it is, which of his former colleauges is the defector.
The film received rave reviews upon its release, and at the 84th Academy Awards it received three nominations: Best Adapted Screenplay, Best Original Score, and for Oldman as Best Actor.