George Smiley is a fictional character created by John le Carré. Smiley is an intelligence officer working for MI6 (often referred to as "the Circus" in the novels and films), the British overseas intelligence agency. He is a central character in the novels Call for the Dead; A Murder of Quality; Tinker, Tailor, Soldier, Spy; The Honourable Schoolboy; and Smiley's People, and a minor character in a number of others, including The Spy Who Came in from the Cold, The Looking Glass War and The Secret Pilgrim.
Read more about George Smiley: Early Life, Analysis, Models, Parody