*The Spy Who Came in from the Cold* is a 1963 Cold War spy novel by the British author John le Carré. It depicts Alec Leamas, a British intelligence officer, being sent to East Germany as a faux defector to sow disinformation about a powerful East German intelligence officer. It serves as a sequel to le Carré's previous novels *Call for the Dead* and *A Murder of Quality,* which also featured the fictitious British intelligence organisation, "The Circus", and its agents George Smiley and Peter Guillam.