An American scientist is sent by the CIA to East Germany to retrieve a secret microfilm from a Soviet scientist interested in defecting to the West but the Stasi secret police's surveillance complicates matters.
The Defector is a 1966 thriller film starring Montgomery Clift, Hardy Krüger, Roddy McDowall and Macha Méril. It was directed and co-written by Belgian director/producer Raoul Lévy and based on the 1965 novel L'espion by Paul Thomas.