George Smiley
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 supporting character in The Spy Who Came In from the Cold, The Looking Glass War, The Secret Pilgrim and A Legacy of Spies. The character has also appeared in a number of film, television, and radio adaptations of le Carré's books.