In the bleak days of the Cold War, espionage veteran George Smiley is forced from semi-retirement to uncover a Soviet mole within his former colleagues at the heart of MI6.
- Year: 2011
- Country: France, Germany, Turkey, United Kingdom, United States of America
- Genre: Drama, Thriller, Mystery
- Studio: StudioCanal, Kinowelt Filmproduktion, CinéCinéma, Working Title, Karla Films, Canal+, Focus Features, TTSS, AZ Celtic Films
- Keyword: london, england, budapest, hungary, spying, espionage, spy, cold war, 1970s, secret agent, mi6, mole, british spy, british intelligence
- Director: Tomas Alfredson
- Cast: Gary Oldman, Colin Firth, Tom Hardy, John Hurt, Toby Jones, Mark Strong