First broadcast 11th November 1978.
Barry Martin was a founder-member of CI5 with Cowley and trains Bodie and Doyle in unarmed combat, but he has turned 'rogue' for money, delivering a witness who was to be kept under wraps for an upcoming drugs trial to his killers.
Gordon Jackson - George Cowley
Martin Shaw - Doyle
Lewis Collins - Bodie
Glyn Owen - Barry Martin
Pamela Stephenson - Maggie Briggs
Tony Steedman - Paul Culbertson
Neil Hallett - David Hunter
Robert Gillespie - Steve Ballard
Teddy Green - Doctor in Mortuary
Diana Weston - Ruth, CI5 Girl
Andy Ho - Old Chinaman
Larrington Walker - Geronimo
Art Malik - Doctor in Hospital (as Athar Malik)
Martyn Whitby - Policeman
Guy Standeven - Captain of Pole Star
