Tinker, Tailor, Soldier, Spy Trailer

Set in the 1970s George Smiley (Gary Oldman), a recently retired MI6 agent, is doing his best to adjust to a life outside the secret service. However, when a disgraced agent reappears with information concerning a mole at the heart of the Circus, Smiley is drawn back into the murky field of espionage. ...