Concluding the story by John le Carre , dramatised by Rene Basilico , and starring Tom Baker as Barley Blair and Valentina Yakunina as Katya. As his Moscow mission moves towards a dramatic conclusion, Barley Blair the man comes into conflict with Barley Blair the spy.... and there are hard decisions to be made. with Christopher Fulford , Yuri Stepanov and Hana-Maria Pravda. Theme music by Max Harris. Producer John Fawcett Williams Rpt