- Brian Wilde - Stanley Hedges
- Wanda Ventham - Brenda
- T. P. McKenna - Det. Supt. Grant
- Prunella Gee - Sandy Williams
- Tony Jay - Lambourne
- Gertan Klauber - Emilio
- Gary Waldhorn - Alan Fowler
- Tony Anholt - Mark Colebrook
- Alun Armstrong - Peter Jenner
- Edward Hardwicke - Bellcourt
- George Cole - Dennis Longfield
- Roger Brierley - Psychiatrist
- Patrick Malahide - Mason
- Geoffrey Palmer - Commander Watson
- Leslie Dwyer - Ted Greenhead
- Anne Stallybrass - Doreen Haskins
- Henry Woolf - Jimmy Dancer
- Colin McCormack - David Wade
- Sue Lloyd - Arleen Baker
- Patricia Maynard - Miss Doreen Alexander
- Ivor Roberts - Sale
- Brian Glover - Moose
- Peter Childs - Jim
- Ian Hendry - Dave Brooker
- Sheila Gish - June
- Christopher Ellison - Phillip Budd
- Richard Davies - Doctor
- Colin Jeavons - Leonard Gold
- Joss Ackland - Alan Ember
- Janet Ellis - Susie
- Nicholas Smith - Simpkins
- George Irving - Detective
- Willoughby Goddard - Daniel Kitter
- Roger Sloman - Cosby
- Ronald Lacey - Barry Monk
- Margaret Whiting - Fladge
- Jim McManus - Ollie Parsons
- John Hurt - Tony Grey
- Russell Hunter - Popeye
- John Woodnutt - Dr. Clare
- George Layton - Ray Stackpole
- Tony Selby - Johnny Lyon
- Peter Jeffrey - Det. Supt. Pringle
- Arnold Diamond - Dr. Cohen
- Sally Faulkner - WPC Pat Bond
- David Jackson - Eddy Cory
- Alan Lake - John Merrick
- Harriet Philpin - Julia Coulson
- Brian Capron - Colin
- Eric Morecambe - Eric Morecambe
- Michael Sheard - Mr. Penketh
- Donald Burton - Chief Superintendent Grey
- Michael Ripper - Herbie Mew
- Colin Douglas - Commander
- Ernie Wise - Ernie Wise
- Frederick Jaeger - Goldman
- John Challis - Skef Warren
- Barrie Cookson - Assistant Commissioner
- Philip Madoc - Det. Supt. Pettiford
- Morris Perry - Det. Chief Supt. Maynon
- Patrick Troughton - Reg Crofts
- Richard Wilson - D.C.I. Anderson
- Cheryl Hall - Jenny
- Brian Blessed - Frank Kemble
- Julian Glover - Bernard Stone
- Maurice O'Connell - Morgan
- Damaris Hayman - Mrs. Cowley
- Liz Smith - Mrs. Davies
- Edward de Souza - Prof. Frederick Busby
- Jack McKenzie - Len
- Patrick Mower - Colin McGruder
- Tony Caunter - Derek Clarke
- Lynda Bellingham - Nancy King
- Jack Carr - Pat Tyler
- Jill Townsend - Jenny Peters
- June Brown - Mrs. Martin
- Toni Palmer - Edi Driscoll
- Ray Mort - Bernard Driscoll
- Angus MacKay - Alec Prosser
- Steve Gardner - Billy Martin
- Colin Prockter - Stupid Hawes
- Ed Devereaux - Harry Biggleswade
- William Morgan Sheppard - Det. Chief Insp. Morrison
- Bernard Gallagher - Desk Sergeant
- Carolyn Jones - Irene Biggleswade
- Murray Brown - Paul Simmonds
- Natalie Kent - Doris
- Bart Allison - Wilf
- Alfred Marks - Gerald Bishop
- Bill Dean - Charlie Norton
- Margaret Nolan - Betty
- Ivan Beavis - Sergeant
- Bridget Brice - Secretary
- Robert Gillespie - Steward
- Tony Aitken - Shipping Clerk
- Tony Steedman - John Masterson
- Tony Steedman - Andrew Barkis
- Lynn Dearth - Sheila Lyon
- John Flanagan - DS Matt Mathews
- Ben Howard - Ronnie
- Malou Cartwright - Angie
- Keith Washington - The Reporter
- Judy Monahan - Jane Budd
- Malcolm Knight - Dodger
- Louis Raynes - The Publican
- Del Henney - Eddie Boyse
- Ken Parry - Fat Eric
- Jack Woolgar - Fred Steadman - Night Watchman
- Joan Scott - Headmistress
- Evie Garratt - Night Watchman's Daughter
- Valerie Bell - Barmaid
- Alan Collins - Charlie Harrison
- Mitzi Rogers - Iris Long
- David Hargreaves - Det. Sgt. Jellineck
- Christopher Beeny - The Photographer
- Derrick O'Connor - Eagle
- Wesley Murphy - Dukes, Pub Landlord
- John Oxley - Uniformed Policeman
- Tony Sympson - The Old Man
- Brian Coburn - The Scotsman
- Jeffrey Segal - The Reporter
- Stanley Meadows - Harry Poole
- Susan Tracy - Fran
- Marjie Lawrence - Mrs. Harris
- John Forgeham - Dennis Rawlins
- Carl Rigg - Det. Sgt. Kent
- Robert Russell - Arni
- Jeremy Young - Wren
- Terry Cowling - Kesey
- William Moore - Det. Sergeant Bowyer
- Mollie Maureen - The Old Woman
- Bernadette Milnes - Maureen Whittle
- Michael McStay - Eric - Nightclub Manager
- Timothy Carlton - Justin
- Mike Savage - Ward
- James Marcus - Myles
- Thalia Kouri - The Maid
- Dudley Sutton - Max Deller
- John Nolan - Bernie Conway
- Anthony Morton - Harry Fuller
- Colin Campbell - Det. Insp. Terry Potter
- Anne Zelda - Joanna Drummond
- Peter Miles - Bradshaw
- Denis DeMarne - Fred
- Tim Wylton - Customs Man
- Michael Segal - Reporter
- Fran Fullenwider - Girl in Pub
- Helli Louise - Girl in Pub
- Nicola Pagett - Sara Prince
- Billy Murray - Brian Cooney
- Wolfe Morris - Greg Prince
- Aubrey Morris - The Card Player
- Paul Angelis - Barney Prince
- Paul Henry - Morris Brass
- Carrie Lee Baker - Marie Cooney
- Hugh Futcher - The Porter
- Warren Mitchell - William Wardle
- Catherine Schell - Stella Goodman
- Godfrey James - Charley Smith
- Julian Holloway - John Smith
- Billy Hamon - Barry Smith
- Maureen Pryor - Enid Wardle
- Peter Armitage - Jacko
- Peter Glaze - Joe Spratt
- Warren Clarke - Danny Keever
- Coral Atkins - Brenda Keever
- John Collin - Parish
- Jim Norton - Phil Harrister
- Kenneth Gardnier - Arthur
- Jill Balcon - Miss Hepple
- Sydney Arnold - Tilley
- Frank Jarvis - Prison Officer
- Patrick Durkin - Foreman Decorator
- Janet Key - Kate Regan
- Joe Gladwin - Stanley Proctor
- Reginald Marsh - Arnold Foss
- Naomi Chance - Miss Fay Mayhew
- Eric Mason - Kenny Jarvis
- Jonathan Dennis - Alan Foss
- Michael McVey - Paul
- Michael Robbins - Kevin Lee
- Gwen Taylor - Anne Knightly
- Maurice Roëves - Phil Deacon
- David Dixon - Andy Deacon
- John Clive - John Frewin
- Roy Boyd - Stan Traynor
- John Halstead - Betty
- Keith Bell - Eddie Swan
- Merdelle Jordine - Angela
- Doyle Richmond - Linbert Rea
- Bill Maynard - Det. Chief Insp. Stephen Quirk
- John Tordoff - Joey Stickley
- Vernon Dobtcheff - Harry Kretchmar
- Carl Duering - Dantziz
- Rosemarie Dunham - The Dowager
- Christopher Coll - The Shop Owner
- George Silver - Yannos
- Vincent Wong - Japanese Tourist
- Frank Coda - Quirk's Snout
- Geoffrey Drew - Stooge
- Brandy di Frank - The Stripper
- Colin Welland - Tober
- Barry Stanton - Otto Schmidt
- Jeffry Wickham - Major Carver
- Keith Buckley - Jake Jenkins
- John Cording - Evil Willie Sanders
- Martyn Read - DC Jimmy Thorpe
- Grahame Mallard - Ingram
- Johnny Vyvyan - Albert Milligan
- John Bardon - Doc Boyd
- Shane Briant - Giles Nunn
- Lesley-Anne Down - Caroline Selhurst
- Paul Jones - Tommy Garret
- David Lodge - Pop Garret
- Peter Howell - Alan Sevier
- Ken Wynne - Albie Fenner
- Jeremy Child - Elphick
- Raymond Adamson - Mr. Tolman
- Terence Sewards - Prees
- Maggy Maxwell - Mrs. de Courcy
- Ivor Salter - Ibbitt
- Sheila Ruskin - Judy Grinden
- James Snell - Johnny Moxom
- Terry Bale - Minicab Operator
- Katherine Parr - Mrs. Carter
- Sydney Tafler - Manny Bellow
- Elizabeth Begley - Mrs. Riley
- Kenneth Colley - Noah Riley
- Bernard Kay - Thomas
- Geoffrey Whitehead - Mills
- Brian Hall - Ernie Davies
- Harry Jones - Hooter
- Sean Clarke - Danny Bellow
- Polly Perkins - The Singer
- Cheryl Kennedy - Judy Collier
- Madhav Sharma - Earle
- Peter Godfrey - Wally Vince
- Michael Latimer - Cmdr. Jackman
- Martin Wyldeck - Cowley
- Allyson Rees - The Au Pair
- James Booth - Vic Labbett
- John Rhys-Davies - Ron Brett
- Veronica Lang - Sally Labbett
- Helen Gill - Kay Nolan
- Frank Middlemass - Sterndale
- John D. Collins - Stephen Vane
- Patsy Smart - Alice
- Virginia Moore - Veronica
- Peter Vaughan - Tony Kirby
- Ken Hutchison - Vincent Vaughan
- Paul Moriarty - Barry Tyson
- Sandy Ratcliff - Liz Jenner
- Brian McDermott - Ken Algar
- Donald Webster - Tommy Rhys Llewellyn
- Ray Barron - Bobby Haigh
- Gloria Maley - Kirby's Girl
- Robert Dorning - Leonard Geisler
- Carol MacReady - Kath
- Frederick Schiller - Austrian Tourist
- Roy Kinnear - Frankie Little
- Michael Coles - Maynard
- Elizabeth Cassidy - Sandy Little
- Peter Halliday - Chief Insp. Gordon
- Walter McMonagle - Bell
- John Gleeson - Flying Squad Officer
- Robert Swann - Det. Sgt. David Keel
- Myra Frances - Dr. Liz Keel
- Andonia Katsaros - Annie Clark
- Leslie Schofield - Ian Ross
- David Belcher - Police Inspector
- Shaun Curry - Ronald Peters
- Malcolm Kaye - Brian Slater
- Alan Brown - The Consultant
- Roy Sampson - Uniformed Constable
- Dean Harris - Jimmy Wands
- Olive McFarland - Mrs. Dowland
- Iris Russell - Miss Jennifer Lewis
- Hubert Rees - Reginald Dowland
- Christopher Crooks - Frank Gough
- Mike Lewin - Johnson
- Stuart McGugan - Hicks
- Sally Lahee - Bank Clerk
- David Masterman - Greg
- Lee Montague - Colly Kibber
- Ronald Fraser - Titus Oates
- James Aubrey - Horace Reynes
- Peter Schofield - Det. Chief Supt. Boothroyd
- Maureen Lipman - Mrs. Smedley
- Jonathan Elsom - Mr. Bradshaw
- Basil Dignam - Moberly
- Deirdre Costello - Gwen Kibber
- Roger Hammond - Finch
- Judy Matheson - Kibber's Girlfriend
- Bill Treacher - Tom
- Hugh Martin - Murray
- Annie Lambert - Air Hostess
- Robert Putt - Prison Officer
- James Fagan - Hotel Receptionist
- Mike Elles - Porter
- Anthony Heaton - Billy Medhurst
- Maureen Sweeney - Mrs. Medhurst
- Lewis Fiander - Ashby-Jones
- Richard Hampton - Hilary Elkin
- Richard Hampton - Barnes
- Paul Freeman - Detective
- Johnny Shannon - Mason
- James Beckett - Stan
- Paul Kember - Mickey
- James Taylor - Gregory
- Peter Clapham - Local Inspector
- Miranda Bell - Sheila Jackson
- Nadim Sawalha - Capt. Shebbeq
- Valentine Palmer - Carew
- Jonathan Blake - Stephen Taylor
- Jonathan Blake - The Army Man
- Frederick Treves - Beemax
- Michael Cronin - Sgt. Chivers
- Ian Thompson - Det. Insp. Thompson
- Ronnie Brody - Garage Mechanic
- Anthony Langdon - Shand
- Katya Wyeth - Helga
- Laurence Harrington - Lawyer
- Ric Felgate - McFarland
- Joe Griffiths - Pianist
- Pauline Cunningham - Typist
- Peter Bayliss - Burnham
- Ann Curthoys - Dr. Jenny Smart
- Nina Thomas - Caroline
- Lawrence James - Desk Sergeant
- Keith Ashton - Massey
- Jason James - Police Sergeant
- Dennis Blanch - CID Detective
- Norman Eshley - Det. Sgt. Robert Hargreaves
- Arthur English - Tug Wilson
- Bernard Spear - Benny
- Lesley Dunlop - Eileen Shaw
- Ralph Arliss - Ames
- Anne-Louise Wakefield - Susie Farmer
- Shay Gorman - Shaw
- Norman Jones - Det. Insp. Perraut
- John Lyons - Det. Sgt. Jim Huke
- Sheila Brennan - Marge Proctor
- Brian Poyser - Ash
- Rod Culbertson - Ronnie Grigg
- Colin Rix - Letts
- David Miller - Gordon Hudson
- Kenneth Gilbert - Supt. Reynolds
- Patricia Franklin - Mrs. Perraut
- Ellis Dale - Bank Manager
- Maggie McCarthy - WPC Collins
- Stephen Hatton - Johnny Peters
- Hywel Bennett - Steven Castle
- Peter Dyneley - Pat Tarley
- Maxwell Shaw - Colin Raleigh
- Alan Tilvern - Charlie Walters
- David Sterne - Ted Parkin
- Eric Dodson - Mr. de Courcy
- Eric Dodson - Mr. Dodds
- Gail Grainger - Jill
- Jack Allen - The Vicar
- Peter Brayham - Johnno Smith
- Marjorie Yates - May Holmes
- Stuart Wilson - Jimmy Knox
- Stuart Wilson - DI Ken Knowles
- Karl Howman - Davey Holmes
- Geraldine Moffat - Sheila Martin
- Brian Gwaspari - Det. Sgt. Cree
- Frank Mills - Len Holmes
- Tim Hardy - Francis
- Jeremy Sinden - Det. Con. Feast
- Roger Booth - Ashcroft
- Tim Meats - Jessop
- Cyril Shaps - Turner
- Adrian Shergold - Don Edwards
- Kathleen St John - Miss Finch
- Derek Francis - Raymond Meadows
- Terence Budd - Douglas Owen
- Tina Heath - Deborah Meadows
- Kenny Lynch - Roland Holder
- Malcolm Tierney - Miller
- Ron Pember - Apps
- John Barrard - Chauffeur
- Christine Shaw - Kathy Peters
- Christine Shaw - Mrs. Norris
- Simon Callow - Detective Sergeant
- Michael Logan - Joke Teller
- Jennifer Thanisch - Susie Regan
- Dave King - Arnold Drake
- Geraldine James - Shirley Glass
- Ken Kitson - Gus Killick
- George Harris - Zak Franklyn
- Stephen Bent - Scouler
- Stephen Bent - Eddie Hibberd
- Bill Armour - Jamie Murdock
- Anthony Douse - Ernie Millan
- Roy Sone - Arthur Ward
- Clifford Kershaw - Fred Booth
- Anne Dyson - Lilly Booth
- Alan David - Blakeney
- Mona Hammond - Ann Robson
- George Tovey - Len Watters
- Julian Littman - Jeremy Clarke
- Steven Pacey - PC McKenna
- Max Mason - PC Adler
- Douglas Anderson - Faith Healer
- Perry Balfour - Youth
- Ray Winstone - Youth
- Moira Redmond - Marcia Edmunds
- Norman Rodway - Philip Edmunds
- James Cossins - Colonel Rosier
- Daphne Oxenford - Mrs. Rosier
- George Sweeney - Tim Cook
- Nicholas McArdle - Inspector Wilson
- Nicholas McArdle - Tridgwell
- Brendan Price - Ian Pinder
- John Sharp - Uncle
- Jan Harvey - Pat Knightly
- Dave Hill - Shaylor
- Alan Mitchell - Stackman
- Keith James - Lakin
- Anna Wing - Mrs. Haldane
- Malya Nappi - Nurse
- Diana Dors - Mrs. Rix
- Malcolm McFee - Lukey Sparrow
- Dawn Perllman - Linda Rix
- James Ottaway - Uncle Billy
- Andrew Mussell - Rick
- Rosemary Martin - Mrs. Lipman
- Fanny Carby - Dot Plummer
- Michael Melia - Rudd
- Derek Martin - Spooner
- John Judd - Sergeant
- Peggy Bullock - The Old Lady
- Peggy Bullock - Old Lady
- Michael Tarn - Charlie Pearce
- Timothy Kightley - Vicar Dennison
- Helen Keating - Cathy Clayton
- Patrick Hannaway - Bernie
- David Ellison - Vaughton
- David Ellison - Dutchman
- Cliff Diggins - Olly
- Del Baker - Sid
- Chris Webb - Arthur
- James Cosmo - Det. Sgt. Davy Freeth
- Stewart Preston - Ross
- Alex Norton - Gibson
- Brian Hoskin - Bramley
- Michael Beint - Dubbin
- Julian Hough - Guards Officer
- Miranda Forbes - Maggie's Mother
- Norman Lumsden - Sir Henry
- Ian Ricketts - Boyd
- David Stockton - PC
- Kate Fahy - WPC Julie Kingdom
- Albert Welling - PC Mike Seton
- Peter Kerrigan - Bowyer
- Roger Hume - Lockhart
- Derek Deadman - Curry
- John Rolfe - Det. Chief Supt. Brookford
- Dave Atkins - Marriot
- John Hartley - Chief Inspector
- David Foxxe - Cyril
- Vivienne Johnson - Mavis
- Rachel Dix - Marriot's Girlfriend
- John Ronane - Red Redgrave
- John J. Carney - Eric
- Sara Clee - Jo
- Gretchen Franklin - Florence, the Charlady
- Nigel Humphreys - Con
- Hilary Crane - Jean Redgrave
- Anthony O'Donnell - Maurice
- Tim Thomas - Billy Boy Mead
- Alec Linstead - Optician
- Paul Antrim - Michael Farrell
- Tony Rohr - Sean Flynn
- James Warrior - Det. Con. Jellyneck
- James Warrior - Taffy
- Barry Philips - Keith Wilson
- David Gillies - Norman Charles
- Lea Brodie - Jane
- Kenneth Watson - Horrocks
- J.G. Devlin - Tony Hay
- Alfred Maron - Stirk
- Richie Stewart - Cafe Owner
- Edward Judd - Eddie Monk
- Vilma Hollingbery - Anne Monk
- Tina Martin - Kath Monk
- Glyn Owen - Wally Hough
- Michael Culver - Dave Leeford
- John Cater - Alec Slemen
- Linal Haft - Brian Fischer
- James Bree - Saxby
- William Simons - Maurice Pope
- George Sewell - Vic Tolman
- Barbara Ewing - Joan Maskall
- Di Trevis - Lynn Hurst
- Edward Peel - Lennie
- Arthur Cox - DCI Roan
- Frederick Bennett - Gate Keeper
- Alan Leith - Sgt. Stern
- Diana Rowan - Traffic Warden
- Jenny Runacre - Sharon
- Raymond Skipp - Harold Collins
- Ian Collier - Logan
- Trevor Thomas - Leroy Garner
- Nick Brimble - Det. Con. Gerry Burtonshaw
- John Carlin - Pierce
- Thelma Whiteley - Margot Ember
- David Wilkinson - Paul Ember
- Cheryl Campbell - Erica Taylor
- Philippa Gail - DCI Barton
- Robert Oates - DI Jim Hinxman
- John Junkin - Taxi Yard Proprietor
- Diana Weston - WPC Janet Reynolds
- Stuart Blake - Doctor
- Marc Zuber - Abdul
- Carol Drinkwater - Roz
- Richard Mottau - Peck
- John G. Heller - Casino Manager
- Lydia Lisle - Mary
- Wendy Young - Jo
- Michael Elphick - Jimmy Fleet
- Nick Stringer - Patsy Kearny
- Sion Probert - Phil
- Rachel Davies - Tina Adams
- Neil Hallett - John Morris
- Delena Kidd - Mrs. Morris
- David Corti - Richard Morris
- George Mikell - Danilov
- Caroline Blakiston - Hildegarde
- Miles Anderson - Hawkins
- Jack Klaff - Al Krim
- John Moreno - Doad
- Joseph Charles - Ulysses
- Alan Bodenham - Henry
- Jean Boht - Neighbour
- Ronald Forfar - Police Observer
- Gary McDermott - Police Driver
- Martyn Whitby - SPG Inspector
- Anthony Smee - Army Lt.
- John Fielding - Reporter
- Meg Davies - Christobel Delgado
- Donald Morley - Delacroix
- Benjamin Whitrow - Det. Chief Supt. Braithwaite
- Sandra Payne - Meryl
- Geoffrey Larder - Askew
- Elizabeth Bradley - Mrs. Hibberd
- Janet Amsden - Betty Edwards
- Roger Davidson - Major Chapman
- Sheila Reid - Doreen Haskins
- Lynda La Plante - Eve Fisher
- Peter Wight - Jimmy Park
- John Alkin - DS Tom Daniels
- Elizabeth Burger - Joan
- George Innes - Willoughby
- Gillian Rhind - WPC Jackson
- Benny Lee - Tommy Swain
- Katie Allan - Sharon
- Stuart Wilde - Richard Haskins
- Barrie Ingham - Det. Chief Supt. Canning
- Richard Griffiths - Ronnie Harries
- Jo Warne - Gloria Bartley
- Ralph Nossek - Duxbury
- David Casey - Jackson
- Andrew Downie - Bishop
- Jane Cussons - Sonia Driffield
- Anna Nygh - Jean Jackson
- Matthew Scurfield - Kieran Kennedy
- Andrew Paul - Teenager
- Peggy Ann Jones - Lady
- Linda Hooks - Ivy
- Stephanie Turner - Alison Carter
Michael Elphick interpreta a Jimmy Fleet en la serie.
Maurice Roëves hace el papel de Phil Deacon.
Alun Armstrong hace el papel de Peter Jenner.
Peter Vaughan hace el papel de Tony Kirby.
Roy Kinnear interpreta a Frankie Little en la serie.
Vernon Dobtcheff interpreta a Harry Kretchmar en la serie.
Paul Freeman hace el papel de Detective.
Ronald Lacey interpreta a Barry Monk en la serie.
John Rhys-Davies interpreta a Ron Brett en la serie.
Alex Norton interpreta a Gibson en la serie.
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