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