- Alfred Burke - Frank Marker
- David Suchet - Martin Kulman
- Lesley-Anne Down - Anne Biddersloe
- Patsy Smart - Waitress
- Geoffrey Beevers - Ralston
- John Hallam - Hart
- George Pravda - Geoffrey Kulman
- Mary Tamm - Jenny
- Philip Madoc - Dominic Anders
- Stephen Yardley - Carter
- Peter Welch - Overton
- Michael Spice - Harris
- Maggie Jones - Ruby
- Julian Holloway - Jeremy Fallows
- Joyce Heron - Ethel Waterfield
- John Quayle - Keith Waterfield
- Gwyneth Powell - Clare
- Christine Pollon - Olive Dale
- Barrie Cookson - Mr Boland
- Anne Ridler - Freda Jakeman
- Martin Dempsey - Governor
- Heather Canning - Grace
- Leslie Dwyer - Arthur Mack
- Michael Graham Cox - Ashman
- John Bindon - Builder
- Terence Rigby - Harry
- Richard O'Callaghan - Frank
- Ken Jones - Cafe Owner
- Norman Mitchell - Barman
- Roy Desmond - Police Sergeant
- Susan Richards - Antique Shop Lady
- William Moore - Kenrick
- Tanya Trude - Jenny
- Maurice Good - Wilson
- Brian Croucher - Starkie
- Kenneth Watson - Det. Insp. Risman
- Peter Cellier - Enright
- Carmen Dene - Salesgirl
- Joseph O'Connell - Police Driver
- Jennifer Daniel - Patricia Gurney-Stuart
- Jennifer Daniel - Paula Waterfield
- Stephanie Beacham - Shirley
- Katharine Blake - Mrs. Nourse
- William Lucas - Ben Osborne
- William Lucas - Mr. Osborne
- Gary Watson - Dr. Nourse
- Hayden Jones - Davis
- Leslie Lawton - Det. Con. Broome
- Pauline Challoner - Dorry Milner
- Billy Hamon - Barry Osborne
- Brenda Saunders - Sally Jackson
- Richard Bird - Jackson
- Anna Wing - Mrs. Flockton
- John Boxer - Barman
- Joe Melia - Billy Raybold
- Stanley Meadows - Joe Rylands
- George Sewell - Jakeman
- George Sewell - Harry Brierly
- Tessa Wyatt - Judy Blackburn
- Mary Chester - Doris Raybold
- Varley Thomas - Janet
- John Crocker - Hotel Receptionist
- Philip Brack - Denis Mortimer
- John Grieve - Hull
- Deborah Grant - Rosemary
- Barrie Rutter - Peter
- Nora Nicholson - Mrs. Stuart
- Barry Foster - Gerald Gurney-Stuart
- Luan Peters - Lana L'Ettrell
- André Morell - Robert Stuart
- Guy Deghy - Mr. Hubermann
- Richard Warner - Bank Manager
- Michael Pennington - John Sheldon
- Paul Harper - James Walker
- Susan Brodrick - Mary Freeman
- Geoffrey Wincott - Mr. Quinton
- Julian D'Albie - Mr. Jones
- Norman Jones - Bellingham
- Norman Jones - Cooper
- Monica Merlin - Mr. Quinton's Secretary
- George A. Cooper - Alec Payton
- Estelle Kohler - Barbara
- James Laurenson - Ken
- Susan Engel - Polly
- Geoffrey Whitehead - Lipton
- Stuart Richman - Hacker
- Clive Moss - Boyle
- Cyril Luckham - Charles Luce
- James Bolam - Alan Grove
- John Savident - Sven Gustafsson
- Avril Elgar - Mrs Willet
- Leon Vitali - Peter
- Zeph Gladstone - Maggie
- Madge Ryan - Rose Mason
- Graham Armitage - Derek Mason
- Lillias Walker - Miss Pritchard
- Dulcie Bowman - Cora Saunders
- Gabrielle Blunt - Winifred Mace
- Pauline Delaney - Mrs. Mortimer
- Pauline Delaney - Mrs Mortimer
- Pauline Delaney - Helen Mortimer
- Lee Donald - Hotel Receptionist
- Kathleen Michael - Mrs. Helen Kulman
- Dennis Chinnery - Creeley
- Pippa Steel - Jan Carling
- Clifford Parrish - Coroner
- Doris Rogers - Miss Luke
- Susan Brown - Girl in Garage
- Glynn Edwards - Alfred Bain
- Madhav Sharma - Suresh Dhanar
- Marianne Stone - Agnes
- Mona Bruce - Mrs. Reid
- Mona Bruce - Mona Summers
- Mollie Maureen - Miss Bain
- Betty Alberge - Mrs. Greene
- Anita Prynne - Saleslady
- Peter Sallis - Eddie Meadows
- Jean Harvey - Adele Meadows
- Dorothy Primrose - Constance Meadows
- Pamela Coveney - Miss Patterson
- Colin Baker - Town Hall Clerk
- Brian McDermott - Bailey
- Julie Samuel - Ann
- Barry Warren - Smythson
- John Ash - David
- David Hutcheson - Sir Roger
- Peter Childs - Ron Gash
- Peter Childs - Gash
- Hubert Rees - George
- Hubert Rees - Barman
- Warren Stanhope - John L'Ettrell
- Brenda Cavendish - Nell Holdsworth
- Brenda Cavendish - Nell
- Patricia Cutts - Barbara L'Ettrell
- Bill Horsley - Vicar
- Annette Kerr - Caroline
- Gareth Thomas - Tom Lewis
- Gareth Thomas - Briggs
- Geoffrey Denton - Thompson
- Una Brandon-Jones - Landlady
- Sheila Allen - Barbara Lewson-Jones
- John Collin - Allan Biddersloe
- Anne Carroll - Sarah Mason
- Anne Carroll - Joy
- Helen Shingler - Eve Biddersloe
- Michael Menaugh - Simon
- Roy Herrick - Jeremy
- Adrienne Conway - Shop Assistant
- Gillian Wray - Jane Holland
- Jeremy Bulloch - David Holland
- Gladys Spencer - Mrs. Durrant
- Jonathan Elsom - Mr. Thwaite-Singleton
- Barry Jackson - Stock
- Ray Barrett - Melville Hayden-Peters
- Barbara Keogh - Store Detective
- Barbara Keogh - Gladys Mottram
- Susan Macready - Sandra
- John Gill - Adams
- Hugh Sullivan - Francis
- Jeffrey Segal - Registrar
- Leon Eagles - George Smith
- Lindsay Campbell - Restaurant Manager
- Cleo Sylvestre - Traffic Warden
- Eric Dodson - Sheriff's Officer
- John Garvin - Clerk of the Court
- Betty Duncan - Betting Shop Customer
- Sally Watts - Solicitor's Secretary
- Richard Leech - Summers
- George Waring - Craig
- Michael Lees - Hailey
- John Lyons - Lucas
- Colin McCormack - Bookshop Manager
- Rosalyn Elvin - Janice
- Michael Beint - Martin
- Stephanie Bidmead - Penny Lawrence
- Stephanie Bidmead - Ruth
- Charles Hodgson - Wright
- Marcia Warren - Waitress
- Barbara New - Sweeping Woman
- Barbara New - Landlady
- Ann Penfold - Sheila Mortimer
- Ann Penfold - Jenny Meadows
- Michael Culver - Dr. Pembroke
- Ivan Beavis - Landlord
- Ivan Beavis - Ron Hayward
- Esmond Knight - Dr. Stowe
- Ann Curthoys - Felicity
- Beryl Cooke - Receptionist
- Trevor Adams - Farmer
- Elisabeth Sladen - Policewoman
- David Ellison - 'Freezer' Man
- Jean Kent - Mrs Podmore
- Dudley Foster - Major Thursby-Byers
- Tommy Boyle - Ronnie Baker
- Cheryl Hall - Beryl Taylor
- Magda Miller - Maggie
- Jeremy Higgins - Rosier
- Paul Rogers - Clemens
- Pat Heywood - Lil
- Ray Smith - Det. Insp. Percy Firbank
- Ray Smith - Firbank
- Ray Smith - Percy Firbank
- Tony Melody - Harry
- Michael Bates - George
- John Normington - Mr. Sugden
- Penny Spencer - Pauline
- Roy Barraclough - M.C
- Tony Selby - Constable
- John Flint - Hotel Clerk
- Keith James - Mercer
- Keith James - Clerk
- Ralph Michael - Henry Knight
- Norman Henry - John Knight
- Peggy Ann Wood - Harriet Thorne
- Bernard Holley - Mr. Brown
- Nancie Jackson - Angela Knight
- Bay White - Mary Knight
- Shirley Cooklin - Mrs. Grey
- Carolyn Moody - Sally
- Jenny Lee Wright - Mrs. Sullivan
- Jack Le White - Newsagent
- Mark Johnson - Milkman
- Alan Webb - Reggie Aston
- David Gwillim - Vyvyan Reveldale
- Barbara Markham - Lady Reveldale
- Martin Howells - James Milner
- Philip Ray - Clifton
- Carole Nimmons - Millie Chandler
- Linda Liles - Carol
- John F. Landry - Keeling
- Alan Tucker - Bamford
- Yvette Vanson - Barmaid
- Raymond Francis - Clement Lawrence
- Margaret Anderson - Hylda Scalby
- Margaret Anderson - Travel Agent
- Nina Thomas - Pam Lawrence
- Brian Stirner - Gordon Hayward
- David Garfield - Tom Coburn
- Julian Somers - Thornton
- Guy Standeven - Blandford
- Jean Channon - Celia Blandford
- Richard Eden - Celia's friend
- Gloria Maley - Barmaid
- Brian Deacon - Nick Mortimer
- Jon Laurimore - Everard
- Richard Thorp - Mr. Gordon
- Bill Dean - Mr. Steadman
- Yvonne Gilan - Beryl
- Julian Battersby - Tom
- Marjie Lawrence - Julia Meadows
- Marjie Lawrence - Mrs. Barnes
- Marjie Lawrence - Barbara
- Barbara Young - Madge Reading
- Bryan Pringle - Donald Reading
- Mike Grady - Freddie
- Richard Hurndall - Sir John Reveldale
- Richard Hurndall - Priest
- Margaret Heald - Vera
- Graham Seed - Podge
- Valerie Bell - Barmaid
- Robert Flemyng - Maj-Gen. Felcourt
- Brian Blessed - Rev. William Pratt
- Lynn Farleigh - Valerie Pratt
- John Welsh - Cobden Felcourt
- Angus MacKay - Peter Palfrey
- Charles Rea - Harry Haines
- Peter Madden - Stanton
- Lala Lloyd - Housekeeper
- Donald Houston - Arthur Wellard
- Petra Markham - Jenny Wellard
- Donald Burton - Det. Sgt. Colin
- Vivien Heilbron - Pat Russell
- Doreen Mantle - Miss Barnwell
- Richard Simpson - Harris
- Bridget Brice - Sarah Graham
- Geoffrey Bateman - Burton
- Stewart Bevan - Martins
- Robert Russell - Tarrant
- Terry Cowling - Pitt
- Trader Faulkner - Gerry Jackson
- Judy Buxton - Janet Harper
- Dennis Burgess - James Harper
- Nicolette McKenzie - Christine Harper
- Deirdre Costello - Supermarket Girl
- Shelagh Wilcocks - Neighbour
- Leonard Kavanagh - Landlord
- Larry Noble - Barber
- Rosalind Ayres - Mrs. Grant
- Richard Heffer - Phillips
- Robin Askwith - Employment Clerk
- Gay Wilde - Nurse
- Helena McCarthy - Mrs. Palmer
- Ray McAnally - Tyson
- John Gregg - Kane
- John Golightly - Hill
- John Gleeson - Watson
- Pam Scotcher - Karen
- Peter Bowles - Croxley
- Diane Keen - Nina
- Veronica Doran - Doris
- Alan Cullen - Colonel Beck
- Sean Arnold - Henryk
- Pauline Letts - Betty
- Dermot Tuohy - Priest
- Karl Howman - Bricky
- Ronald Lewis - Julian Bradley
- Susan Penhaligon - Tuesday Simpson
- Iris Russell - Alison Bradley
- Anne Clune - Maureen
- Tricia Newby - Jill Dawson
- George Moon - Head Waiter
- Hugh Martin - Barman
- John Woodnutt - Hooper
- Rosemarie Dunham - Mrs Grahame
- Stephanie Turner - Julia
- Tenniel Evans - Pearce
- Keith Drinkel - Bates
- George Sweeney - Wilson
- Ray Lonnen - Knaggs
- Veronica Carlson - Ingrid Borg
- Antony Brown - Chief Inspector Reeves
- Joseph Greig - Watson
- Patrick Jordan - Barman
- Oliver Cotton - Removal Man
- Azad Ali - Post Office Engineer
- David Hayward - Bank Clerk
- Peter Weston - PC
- Barrie Fletcher - Police Sergeant
- Sylvia Coleridge - Lydia Alexander
- Joan Scott - Eileen Saunders
- Lewis Fiander - Freddie
- Anthony Langdon - Det. Sgt. Evans
- George Howe - Mr. Hartley
- Donald Eccles - Mr. King
- Paul Haley - Watts
- Patti Dalton - Barmaid
- Alun Armstrong - Vince Gregson
- Peter Settelen - Giles Robinson
- Ivor Roberts - Rupert Robinson
- Jan Harvey - Janet Frisby
- Joan Ogden - Housekeeper
- Norman Bird - Arthur Biddle
- Tony Calvin - Brian Stafford
- Ingrid Hafner - Kay Price
- Malya Nappi - Mrs Lisle
- Antony Carrick - Chief Inspector Davis
- Eamonn Boyce - Chef
- Richard Pearson - Jenks
- Sara Aimson - Rosemary
- Michael Turner - Graham
- Delena Kidd - Paula
- Paul Kermack - John Friendly
- Margaret Whiting - Evelyn Friendly
- Griffith Jones - George Berry
- Patricia Garwood - Dr. Stoddart
- Kevin Brennan - Brightwell
- Andrew Laurence - Inquiry Chairman
- Paul Williamson - Counsel
- Paul Gregory - Estate Agent
- Robert Gillespie - Bromley
- Robert Hartley - Turnbull
- Ann Rye - Secretary
- Yvonne Ball - Woman in Flat
- Tony Wright - Kimmins
- Alison Hughes - Secretary
- Peter Badger - Stage Hand
Alun Armstrong hace el papel de Vince Gregson.
Michael Bates interpreta a George en la serie.
Alfred Burke hace el papel de Frank Marker.
Capítulo disponible en las siguientes plataformas:
