- John Thaw
- D.I. Jack Regan
- Dennis Waterman
- D.S. George Carter
- Barry Foster
- Elliott McQueen
- Ian Bannen
- Charles Baker
- Colin Welland
- Frank Chadwick
- Diane Keen
- Bianca Hamilton
- Michael Coles
- Johnson
- Joe Melia
- Ronnie Brent
- Brian Glover
- Mac
- Lynda Bellingham
- Janice Wyatt
- Morris Perry
- Flying Squad Cdr. Maynon
- Paul Angelis
- Secret Serviceman
- Nick Brimble
- D.S. Burtonshaw
- John Alkin
- D.S. Tom Daniels
- Bernard Kay
- Matthews
- Antony Scott
- Johnson's Henchman
- Antony Brown
- Murder Inquiry Supt.
- John Oxley
- Chadwick's Deputy Editor
- Peggy Aitchison
- Carter's Neighbour
- Hal Jeayes
- Manservant
- Sally Osborne
- Sally
- John Kane
- Special Branch Sgt.
- Chris Dillinger
- Johnson's Henchman
- Peter Childs
- Murder Inquiry Insp.
- Alan Mitchell
- Detective Insp.
- Leonard Kavanagh
- Pathologist
- Anthony Woodruff
- Coroner
- Michael Latimer
- P.P.S.
- Matthew Long
- Traffic Police Sgt.
- Joyce Grant
- McQueen's Secretary
- Johnny Shannon
- Scotland Yard Duty Sgt.
- David Corti
- Young Boy
- Susan Valentine
- Chadwick's Secretary
- Nadim Sawalha
- Chairman of the Oil Producers' Conference
- Lewis Alexander
- McQueen Party Guest
- Tony Allen
- Poilce Driver
- Tony Allen
- Bill the Driver
- Richard Atherton
- Hotel Guest
- Del Baker
- Johnson's Henchman
- Douglas Cameron
- LBC Newsreader (self)
- Tim Condren
- Flying Squad Officer
- Maurice Connor
- Flying Squad Member
- Maxwell Craig
- Man with Tea
- Jenny Cresswell
- Lady in Pub
- Vi Delmar
- Offended woman in pub
- Harry Fielder
- Wages Security Guard
- Eric French
- Flying Squad Officer
- Isaac Grand
- Pub Patron
- Aidan Harrington
- Man at Party
- Barry Hayes
- Flying Squad officer
- Walter Henry
- Oil Conference Executive
- George Hilsdon
- Security Man
- Lew Hooper
- Policeman
- Roy Lansford
- Man at Hotel
- Aileen Lewis
- McQueen Party Guest
- Fred Machon
- Baker's Colleague
- Frank Maher
- Uniformed Policeman (Shot In The Head)
- Jay McGrath
- Man in Street
- Stuart Myers
- Detective
- Greg Powell
- Flying Squad Officer
- Mike Reynell
- Detective
- Pat Ryan
- Man at Court
- Terry Sartain
- Hotel Guest
- Guy Standeven
- Undertaker
- Fred Stroud
- Waiter
- Barry Summerford
- Detective
- John Tatham
- Conference Official
- Reg Thomason
- Reporter
- Harry Tierney
- Hotel Guest
- Rita Tobin-Weske
- Lady in Pub
- Joseph Tregonino
- Man on Bus
- Jules Walter
- Security Man
- Bill Westley Sr.
- Station Officer
