Based on a best-selling spy novel written at the height of the Cold War by John LeCarre' , this thriller boasts an all-star cast including Gary Oldman, Colin Firth, John Hurt and Thomas Hardy (Bane from the upcoming Batman film).

Everyone is a suspect when Britain's MI-6 is infiltrated by a Soviet double-agent. When retired master spy-hunter Mr. Smiley is coerced out of retirement, back-stabbing and assassinations are the order of the day.