- Patricia Quinn - Lucinda
- Dinah Sheridan - Gwen
- Eleanor Summerfield - Lady Strudwick
- Norman Beaton - Mr. Ngenko
- Nicholas Ball - William
- Jeff Rawle - Franks
- Brian Cox - Chuck
- Robert Urquhart - Harry
- Suzanne Danielle - Natalie
- Kathryn Leigh Scott - Penny
- Anna Calder-Marshall - Janet
- Prunella Gee - Mary
- Norman Bird - Basil
- Lucy Gutteridge - Lolly
- Gary Bond - Terence Morton
- Patricia Maynard - Jean
- Frances Cuka - Gwen
- Elaine Donnelly - Annie
- Diana Dors - Mrs. Ardoy
- Pierce Brosnan - Last Victim
- Simon MacCorkindale - Harry
- Gary Raymond - Martin
- Jon Finch - David
- Julia Foster - Ruth
- James Laurenson - Mr. Rayburn
- Barbara Kellerman - Laurie Morton
- Milton Johns - A.J. Powers
- Leigh Lawson - Graham
- Peter Cushing - Martin Blueck
- Gary Waldhorn - Bacharach
- Stanley Lebor - Charles
- Lennard Pearce - Rector
- Barbara Keogh - Joan
- Pat Heywood - Emily Shenley
- Daphne Anderson - Matron
- Janet Fielding - Secretary
- Antony Carrick - Aldridge
- Celia Gregory - Sarah
- Anthony Valentine - Cliff
- Gareth Thomas - Richard / Gupta
- William Moore - Mr. Roberts
- Ian McCulloch - Charles
- James Cosmo - Willis
- Gareth Armstrong - Dr. Melbury
- Geoffrey Beevers - Gravedigger
- Marius Goring - Heinz
- Jacob Witkin - Woodcutter
- Jenny Laird - Mrs. Roberts
- Kevin Stoney - Rothwell
- Denholm Elliott - Norman Shenley
- Michael Culver - Mark
- Christopher Cazenove - Tom
- Richard Pearson - Sir Humphrey Chesterton
- Lee Richards - Actress
- Warren Clarke - Ben
- Peter Dean - Charlie
- Paula Jacobs - Joyce
- Terry Kinsella - Lionel
- Tariq Yunus - Charles Austin
- Matthew Blakstad - James
- Angela Bruce - Sarah
- Michael Deeks - Phil
- Pauline Delaney - Sister
- Philip Latham - Hargreaves
- Jeremy Longhurst - Dr. Cummings
- Brenda Cowling - Nurse Davies
- Mike Savage - P.C. Jenkins
- Malcolm Hayes - Attendant
- Margaret Anderson - Sister
- George Innes - Cedric
- Gerard Kelly - Andrew
- Michael Latimer - Dr. Bradley
- Roger Ostime - The Butler
- Louis Mansi - Rossi
- Patricia Mort - Maid
- Pat Gorman - CID Sgt (uncredited)
- Andrew Andreas - Waiter (uncredited)
- Walter Henry - Security Guard (uncredited)
- Laurie Rose - Slimmer (uncredited)
- Pam Rose - Nurse (uncredited)
- John Smart - Vicar (uncredited)
- Adrian Mann - Tibor
- Victoria Wood - Sophy
- Sophie Kind - Eloise
- Matthew Dorman - Young Boy
- Wilhelmina Green - Young Girl
- Corinna Reardon - Small Girl
- Daniel Payne - Small Boy
- Natalie Payne - Irenya
- Daniel Kipling - Andreas
- Jason Dors Lake - Werewolf Child (uncredited)
- Alan Meacham - Man at Airport (uncredited)
- Bill Westley Sr. - Man at Airport (uncredited)
- Robin Browne - Police Officer
- Rachel Davies - Emma
- Brian Croucher - George
- Emma Ridley - Sophia
- Joanne White - Sophia (Older)
- George Tovey - Old Man
- Una Brandon-Jones - Old Woman
- Jo Warne - 1st Mother
- Sarah Keller - 2nd Mother
- Max Mason - Journalist
- Anna Perry - Journalist
- Marilyn Finlay - Sister
- Christopher Reilly - William
- Michael Hughes - Mechanic
- Anna Simone Scott - Nurse
- David Healy - Peter
- Michael Stock - Armorour
- Andrew Pariss - Boy
- Charles Pemberton - Policeman
Patricia Quinn interpreta a Lucinda en la serie.
Dinah Sheridan interpreta a Gwen en la serie.
Eleanor Summerfield interpreta a Lady Strudwick en la serie.
Norman Beaton interpreta a Mr. Ngenko en la serie.
Nicholas Ball hace el papel de William.
Jeff Rawle interpreta a Franks en la serie.
Brian Cox interpreta a Chuck en la serie.
Robert Urquhart hace el papel de Harry.
Suzanne Danielle hace el papel de Natalie.
Kathryn Leigh Scott interpreta a Penny en la serie.
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