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