Peter Guillam

Pierre Guillame, better known by the anglicised form Peter Guillam, is a fictional character in John le Carré's series of espionage novels. He first appears in Call for the Dead. He is the trusted right-hand-man of George Smiley, the protagonist of many of le Carre's novels, and is often the person Smiley turns to for assistance when he fears he cannot trust his peers or subordinates.