First broadcast 24th February 1978.
Six years previously Doyle was a policeman at London's Docklands and he was involved in a shoot-out in which there were fatalities.
Gordon Jackson - George Cowley
Martin Shaw - Doyle
Lewis Collins - Bodie
Peter Hughes - Bill Haydon
Lalla Ward - Jill Haydon
Bernard Kay - Harry Scott
Gerald Sim - Minister
Graham Weston - Syd Parker
Shelagh Fraser - Mrs. Wilson
Arthur White - Freddy
Alister Cameron - Car Salesman (as Alistair Cameron)
Michael Sheard - Merton
Geoffrey Hinsliff - Sergeant
Robert Mill - Fitch
Bridget Brice - Betty, Cowley's Secretary
Andrew Andreas - Waiter
Anika - Evie
Pat Astley - Woman Customer
Dave Cooper - Man in Bar
Pat Gregory - Caretaker
Laraine Humphrys - Sue
Bob Ramsey - Man in Bar
Ken Sheppard - Police Diver
Ron Tarr - Man in Bar
Ronnie Wood - Man in Bar
