First broadcast 10th November 1979.

Former CI5 operative Meredith was presumed dead but re-surfaces, apparently working for the Russians.

Gordon Jackson - George Cowley
Martin Shaw - Doyle
Lewis Collins - Bodie
James Laurenson - Meredith
Michael Gothard - Kodai
Morris Perry - Radouk
Peter Cartwright - Sir Peter Pelham
William Morgan Sheppard - Malenski (as Morgan Sheppard)
Paul Dawkins - Tramp
Frank Jarvis - Dale
Alec Linstead - Doctor
Jacob Witkin - Captain
Robert Booth - Stevens
Godfrey Jackman - Customs Official
Louise Burton - Barmaid
Denise Distel - Barmaid
Paul Heasman - CI5 Agent