Keith Barron
Commander Jack Bentham
Alun Armstrong
Det. Supt. Frank Burroughs
Dudley Sutton
Dep. Commissioner Sir Harry Streeter
Keith Allen
Det. Supt. Alan Horsefell
David Ryall
Sir Cyril Llewellyn
Alan Devlin
Sir Rex Ferriday
Robert Blythe
Chief Insp. Price
Martin Troakes
Chief Supt. Jones
Richard Harrington
Kit Davis
Roger Brierley
Julian Brind
Derek Hutchinson
Sgt. Hooper
Guy Williams
Lawrence Payne
Richard Lynch
PC Maurice Peters
Stephen K. Amos
Floyd
Lynette Edwards
Staff Nurse
Frank Rozelaar-Green
Familiar Face (MI6)
Tom Marshall
Det. Insp. Bill Senior
Gillian Eaton
Maureen Fry
Brinley Jenkins
Chief Constable Maurice Probert
Clyde Pollitt
Dep. Chief Constable Donald Preece
Shirley King
Muriel Dumont
Bernard Latham
Supt. I.D. Parade
Jenny Downham
Jane Whitehouse
Mike Hayward
Supt. Williams
Ian Rowlands
PC Kevin Pratley
Jane Phillips
Angela Fry
Becca Parry Jones
Kathleen Fry
Richard Vatsaloo
Stephen Fry
Roger Nott
Detective
David Lever
Reporter
Russell Gomer
Cardiff Driver
Sian Merrick
Newscaster