A British spy helps a Russian scientist to defect from the Soviet Union by taking a perilous journey through the Eastern Bloc.
Episodes
Season 1
Media
Backdrops and posters from the title's official gallery
Top Cast
Kevin McNally
Johnny Donoghue
Bernard Hepton
Henry Carter
James Faulkner
Charles Mawby
Hans Caninenberg
Professor Guttman
Brigitte Karner
Erica Guttman
Stephan Meyer-Kohlhoff
Willi Guttmann
Donald Pickering
Permanent Undersecretary
Robert Lang
Deputy Undersecretary
Bert Parnaby
Adam Percy
Claus-Peter Seifert
Ulf Becker
