Guest Stars Alun Armstrong as Det Supt Frank Burroughs Guy Williams as Laurence Payne Gillian Eaton as Maureen Fry Keith Allen as Det Supt Alan Horsefell Keith Barron as Cmdr Jack Bentham Robert Blythe as Chief Inspector Price Richard Lynch as PC Peters Mike Hayward as Supt Williams Ian Rowlands as PC Pratley Jenny Downham as Jane Whitehouse Alan Devlin as Sir Rex Ferriday (MI6) Clyde Pollitt as Dep Chief Constable Donald Preece Brinley Jenkins as Chief Constable Maurice Probert Tom Marshall as Det Insp Bill Senior Dudley Sutton as Deputy Commissioner Sir Harry Streeter Derek Hutchinson as Sgt. Keeper Roger Brierley as Julian Brind Shirley King as Muriel Dumont (PCA) David Ryall as Sir Cyril Llewellyn (DPP) Martin Troakes as Chief Superintendent Jones
