In this Cold War espionage-thriller, adapted from the novel of John Le Carre, two veteran British intelligence operatives, Leclerc (
Ralph Richardson) and Haldane (
Paul Rogers), recruit a young Polish defector (
Christopher Jones) to check on some missiles in East Germany. Avery (
Anthony Hopkins) is the British agent assigned to help him to cross the East German border. Once behind the Iron Curtain, the recruit meets a sympathetic German girl (Pia Degermark) who tries to help him to evade the East German secret police and to complete his assignment. ~ Yuri German, All Movie Guide