Keith Barron

Character: Commander Jack Bentham

Alun Armstrong

Character: Det. Supt. Frank Burroughs

Tom Marshall

Character: Det. Insp. Bill Senior

Dudley Sutton

Character: Dep. Commissioner Sir Harry Streeter

Gillian Eaton

Character: Maureen Fry

Keith Allen

Character: Det. Supt. Alan Horsefell

Brinley Jenkins

Character: Chief Constable Maurice Probert

Clyde Pollitt

Character: Dep. Chief Constable Donald Preece

David Ryall

Character: Sir Cyril Llewellyn

Alan Devlin

Character: Sir Rex Ferriday

Shirley King

Character: Muriel Dumont

Robert Blythe

Character: Chief Insp. Price

Martin Troakes

Character: Chief Supt. Jones

Bernard Latham

Character: Supt. I.D. Parade

Richard Harrington

Character: Kit Davis

Roger Brierley

Character: Julian Brind

Derek Hutchinson

Character: Sgt. Hooper

Guy Williams

Character: Lawrence Payne

Jenny Downham

Character: Jane Whitehouse

Mike Hayward

Character: Supt. Williams

Richard Lynch

Character: PC Maurice Peters

Ian Rowlands

Character: PC Kevin Pratley

Jane Phillips

Character: Angela Fry

Becca Parry Jones

Character: Kathleen Fry

Richard Vatsaloo

Character: Stephen Fry

Stephen K. Amos

Character: Floyd

Roger Nott

Character: Detective

Lynette Edwards

Character: Staff Nurse

David Lever

Character: Reporter

Russell Gomer

Character: Cardiff Driver

Sian Merrick

Character: Newscaster

Frank Rozelaar-Green

Character: Familiar Face (MI6)