- Mike Pratt
- Â Jeff Randall 26 episodes, 1969-1970
- Kenneth Cope
- Â Marty Hopkirk 26 episodes, 1969-1970
- Annette Andre
- Â Jeannie Hopkirk 25 episodes, 1969-1970
- Ivor Dean
- Â Inspector Large 5 episodes, 1969-1970
- Richard Kerley
- Â Sergeant Hinds / ... 3 episodes, 1969-1970
- Judith Arthy
- Â Jennifer 2 episodes, 1969
- Garfield Morgan
- Â Carlson / ... 2 episodes, 1969-1970
- Michael Griffiths
- Â Inspector Nelson 2 episodes, 1969
- Michael Sheard
- Â German Commentator / ... 1 episode, 1970
- Lois Maxwell
- Â Kim Wentworth 1 episode, 1969
- Peter Vaughan
- Â James Howarth 1 episode, 1969
- John Fraser
- Â Hellingworth 1 episode, 1969
- Michael Goodliffe
- Â Arthur de Crecy 1 episode, 1969
- Alfred Burke
- Â Henry Foster 1 episode, 1969
- Ray Brooks
- Â Marty 1 episode, 1969
- Paul Maxwell
- Â Alan Corder 1 episode, 1969
- Frank Windsor
- Â John Sorrensen 1 episode, 1969
- Cyril Luckham
- Â Laverick 1 episode, 1969
- Ronald Radd
- Â Pargiter 1 episode, 1969
- Alan Gifford
- Â Paul Kirstner 1 episode, 1969
- Mary Merrall
- Â Clara Faringham 1 episode, 1969
- Grazina Frame
- Â Gloria Marsh 1 episode, 1969
- Jeremy Burnham
- Â Walter Previss 1 episode, 1969
- William Squire
- Â Sam Seymour 1 episode, 1970
- Felix Aylmer
- Â Joshua Crackan 1 episode, 1970
- George Sewell
- Â Eric Jansen 1 episode, 1970
- George Murcell
- Â Mandrake 1 episode, 1970
- Juliet Harmer
- Â Miss Holiday 1 episode, 1970
- Alex Scott
- Â Seaton 1 episode, 1970
- Alan MacNaughtan
- Â Major Brenan 1 episode, 1970
- Brian Blessed
- Â Jim Lawsey 1 episode, 1969
- Jane Merrow
- Â Sandra Joyce 1 episode, 1969
- Caroline Blakiston
- Â Karen Howarth 1 episode, 1969
- Alexandra Bastedo
- Â Carol Latimer 1 episode, 1969
- Michael Gwynn
- Â Hyde Watson 1 episode, 1969
- Dudley Foster
- Â George Foster 1 episode, 1969
- Kieron Moore
- Â Miklos Corri 1 episode, 1969
- Arthur Brough
- Â Snowy 1 episode, 1969
- David Bauer
- Â Doctor Conrad 1 episode, 1969
- Peter Jones
- Â Frederick P. Waller 1 episode, 1969
- Dolores Mantez
- Â Happy Lee 1 episode, 1969
- Clifford Evans
- Â Sir Oliver Norenton 1 episode, 1969
- David Healy
- Â Bugsy Spanio 1 episode, 1969
- Doris Hare
- Â Madame Hanska 1 episode, 1969
- Denise Buckley
- Â Susan Lang 1 episode, 1969
- Marjorie Rhodes
- Â Mrs. Pleasance 1 episode, 1969
- Olivia Hamnett
- Â Anne Soames 1 episode, 1969
- Liz Fraser
- Â Fay Crackan 1 episode, 1970
- Sue Lloyd
- Â Elizabeth Saxon 1 episode, 1970
- John Collin
- Â Jackson 1 episode, 1970
- Barrie Ingham
- Â Emil Cavallo-Smith 1 episode, 1970
- Bernard Kay
- Â Dighton 1 episode, 1970
- Madge Ryan
- Â Mrs. Roden 1 episode, 1970
- Hilary Tindall
- Â Cynthia 1 episode, 1970
- Patrick Barr
- Â Philip Yateman 1 episode, 1970
- Tracey Crisp
- Â Dandy 1 episode, 1970
- Freddie Jones
- Â James McAllister 1 episode, 1969
- Anton Rodgers
- Â Calvin P. Bream 1 episode, 1969
- Adrienne Corri
- Â Laura Watson 1 episode, 1969
- Keith Barron
- Â Jarvis 1 episode, 1969
- Veronica Carlson
- Â Suzanne 1 episode, 1969
- Norman Bird
- Â Elliot 1 episode, 1969
- Patrick Newell
- Â Mannering 1 episode, 1969
- Edward Brayshaw
- Â Paul Lang 1 episode, 1969
- Joyce Carey
- Â Mrs. Maddox 1 episode, 1969
- Patrick Holt
- Â Barry Jones 1 episode, 1969
- Nosher Powell
- Â Lord Dorking 1 episode, 1969
- Gabrielle Brune
- Â Mrs. Howe 1 episode, 1969
- Donald Morley
- Â Inspector Clayton 1 episode, 1969
- Gerald Flood
- Â Doctor Lambert 1 episode, 1969
- Harry Locke
- Â Night Porter 1 episode, 1969
- Dermot Kelly
- Â Henry Mace Horsfall 1 episode, 1969
- Jack MacGowran
- Â Joe Hudson 1 episode, 1970
- Patricia Haines
- Â Martha 1 episode, 1970
- Drewe Henley
- Â Tony 1 episode, 1970
- Stanley Meadows
- Â George Roden 1 episode, 1970
- Neil McCallum
- Â Rev. Henry Crackan 1 episode, 1970
- Gary Watson
- Â Donald Seaton 1 episode, 1970
- Ann Castle
- Â Mrs. Cavallo-Smith 1 episode, 1970
- Roy Desmond
- Â Kevin O'Malley 1 episode, 1970
- Ronald Lacey
- Â Beatnik 1 episode, 1969
- Neil McCarthy
- Â Griggs 1 episode, 1969
- Michael Gothard
- Â Perrin 1 episode, 1969
- Philip Madoc
- Â Rawlins 1 episode, 1969
- David Lodge
- Â Beeches 1 episode, 1969
- John Sharp
- Â Sagran 1 episode, 1969
- Duncan Lamont
- Â Langford 1 episode, 1969
- Charles Lloyd Pack
- Â Cecil Purley 1 episode, 1969
- Reginald Marsh
- Â James Laker 1 episode, 1969
- Danny Green
- Â Lord Surrey 1 episode, 1969
- Michael Coles
- Â Larry Wentworth 1 episode, 1969
- Robert Russell
- Â Harry 1 episode, 1969
- Anne De Vigier
- Â Julia Fenwick 1 episode, 1969
- Noel Davis
- Â Pawnbroker's Clerk 1 episode, 1969
- Harold Berens
- Â Tony Lang 1 episode, 1969
- Sue Gerrard
- Â Susan Kirstner 1 episode, 1969
- Timothy West
- Â Sam Grimes 1 episode, 1970
- Nigel Terry
- Â Harry 1 episode, 1970
- Dudley Sutton
- Â Mort Roden 1 episode, 1970
- Victor Maddern
- Â Det. Sergeant Watts 1 episode, 1970
- Marne Maitland
- Â Captain Rashid 1 episode, 1970
- Freda Jackson
- Â Mrs. Evans 1 episode, 1970
- Jeremy Young
- Â Douglas Kershaw 1 episode, 1970
- Dick Bentley
- Â Mesmero 1 episode, 1970
- Linda Cole
- Â Anne-Marie Benson 1 episode, 1970
- Valerie Leon
- Â Kay 1 episode, 1969
- Anne Sharp
- Â Fay Sorrensen 1 episode, 1969
- Bessie Love
- Â Mrs. Trotter 1 episode, 1969
- Edina Ronay
- Â Sandra 1 episode, 1969
- Nicholas Courtney
- Â Max 1 episode, 1969
- Keith Buckley
- Â Lattimer 1 episode, 1969
- William Mervyn
- Â Whitty 1 episode, 1969
- James Bree
- Â Mullet, the Innkeeper 1 episode, 1969
- Raymond Adamson
- Â Jack Lacey 1 episode, 1969
- Richard Caldicot
- Â Doctor 1 episode, 1969
- Frances Bennett
- Â Anne Fenwick 1 episode, 1969
- Jan Rossini
- Â Miss Moscow 1 episode, 1969
- Paul Bertoya
- Â Jean-Claude 1 episode, 1969
- Peter J. Elliott
- Â Wilks 1 episode, 1969
- Maurice Hedley
- Â Colonel Chalmers 1 episode, 1969
- Nik Zaran
- Â Brin 1 episode, 1969
- Michael Rathborne
- Â Man in Laundromat 1 episode, 1969
- Geoffrey Hughes
- Â Harper 1 episode, 1970
- Richard Owens
- Â Police Sergeant Bodyguard 1 episode, 1970
- Olga Lowe
- Â Angela Kendon 1 episode, 1970
- Meredith Edwards
- Â Hodder 1 episode, 1970
- James Culliford
- Â Parker 1 episode, 1970
- Peter Jesson
- Â Hooper 1 episode, 1970
- Clifford Earl
- Â 1st Detective 1 episode, 1970
- Anthony Baird
- Â Hamilton 1 episode, 1970
- Carol Cleveland
- Â Laura Slade 1 episode, 1969
- George A. Cooper
- Â Webster 1 episode, 1969
- Roger Delgado
- Â Tapiro 1 episode, 1969
- Basil Dignam
- Â Hepple 1 episode, 1969
- Tenniel Evans
- Â James Howe 1 episode, 1969
- Brian Oulton
- Â Dr. Plevitt 1 episode, 1969
- Peter Hughes
- Â Butler 1 episode, 1969
- Reg Lye
- Â Manny 1 episode, 1969
- Michael Beint
- Â Senior Official 1 episode, 1969
- Gwen Nelson
- Â Mrs. Halloway 1 episode, 1969
- Anthony Sagar
- Â Hotel Proprietor 1 episode, 1969
- Charles Morgan
- Â Arthur Phillips 1 episode, 1969
- Raymond Young
- Â Rawlings 1 episode, 1969
- Patrick Connor
- Â Harry 1 episode, 1969
- Tony Steedman
- Â Surgeon 1 episode, 1970
- Norman Eshley
- Â Mike Hales 1 episode, 1970
- John Hallam
- Â Johnny Crackan 1 episode, 1970
- Cyril Shaps
- Â Doctor Cholmond 1 episode, 1970
- Thomas Heathcote
- Â Chief Inspector Horner 1 episode, 1970
- Robin Hawdon
- Â Grant 1 episode, 1970
- John Rae
- Â Alexander 1 episode, 1970
- William Dysart
- Â Police Inspector 1 episode, 1970
- Harold Innocent
- Â Assassin 1 episode, 1969
- Patrick Jordan
- Â Smart 1 episode, 1969
- Arnold Diamond
- Â 1st Poker Player 1 episode, 1969
- Jack Woolgar
- Â Old Man 1 episode, 1969
- Eric Dodson
- Â Vicar 1 episode, 1969
- Charles Lamb
- Â Hotel Porter 1 episode, 1969
- James Belchamber
- Â Mark 1 episode, 1969
- David Webb
- Â Police Sergeant 1 episode, 1969
- Peter Stephens
- Â Sir Timothy Grange 1 episode, 1969
- Roger Croucher
- Â Terry 1 episode, 1969
- Cyril Renison
- Â Andrews 1 episode, 1969
- Anthony Marlowe
- Â Cranley 1 episode, 1969
- John Richmond
- Â Lord Manning 1 episode, 1969
- Peter Cellier
- Â Long 1 episode, 1970
- Michael Ripper
- Â Punter 1 episode, 1970
- Larry Taylor
- Â Man in Phone Booth 1 episode, 1970
- John Bryans
- Â Ralph Sorrel 1 episode, 1970
- Beverly Winn
- Â Valerie 1 episode, 1970
- John Glyn-Jones
- Â The Chemist 1 episode, 1970
- George Howe
- Â Brooks 1 episode, 1970
- John Walker
- Â Mechanic 1 episode, 1970
- Henry Davies
- Â Police Sergeant in Car 1 episode, 1970
- Carol Dilworth
- Â Girl with Dog 1 episode, 1969
- Katya Wyeth
- Â Miss Budapest 1 episode, 1969
- Nicolas Chagrin
- Â Andre 1 episode, 1969
- Neal Arden
- Â 2nd Poker Player 1 episode, 1969
- Tony Thawnton
- Â Fernandez 1 episode, 1969
- Michael Goldie
- Â Gimbal 1 episode, 1969
- Romo Gorrara
- Â Reg 1 episode, 1969
- Rosemary Donnelly
- Â Diana 1 episode, 1969
- William Kendall
- Â Col. Jarrett 1 episode, 1969
- Betty Woolfe
- Â Martha 1 episode, 1969
- James Donnelly
- Â Detective 1 episode, 1969
- Adrian Ropes
- Â The Sergeant 1 episode, 1969
- Andrew Sachs
- Â Commentator 1 episode, 1970
- John Bott
- Â Dyson 1 episode, 1970
- Ron Pember
- Â Fairground Concessionaire 1 episode, 1970
- John Hughes
- Â Bank Worker 1 episode, 1970
- Billy Milton
- Â Loftus 1 episode, 1970
- Michael Bird
- Â Sleeping Car Attendant 1 episode, 1970
- Ingrid Sylvester
- Â Receptionist 1 episode, 1970
- Earl Green
- Â Ramon 1 episode, 1970
- Hilary Wontner
- Â 1st Man in Steamroom 1 episode, 1970
- David Jason
- Â Abel 1 episode, 1969
- Frederick Treves
- Â Inspector 1 episode, 1969
- Terence Plummer
- Â Pete 1 episode, 1969
- Penny Brahms
- Â Girl in Luxury Flat 1 episode, 1969
- Clive Cazes
- Â Claude 1 episode, 1969
- Tom Chatto
- Â Doctor 1 episode, 1969
- Clifford Cox
- Â the Attendant 1 episode, 1969
- Chris Gannon
- Â Salesman 1 episode, 1969
- Carol Rachell
- Â Miss James 1 episode, 1969
- Philip James
- Â Holly 1 episode, 1969
- Philip Lennard
- Â Johns 1 episode, 1969
- George Lee
- Â Police Sergeant 1 episode, 1969
- Geoffrey Reed
- Â First Male Nurse 1 episode, 1969
- Michael Radford
- Â Male Hiker 1 episode, 1970
- Graham Armitage
- Â Young Stage Director 1 episode, 1970
- Jack Lambert
- Â 2nd Man in Steamroom 1 episode, 1970
- Maggie London
- Â Nurse 1 episode, 1970
- Billy Cornelius
- Â Albert 1 episode, 1970
- Colin Rix
- Â Police Driver 1 episode, 1970
- Tricia Chapman
- Â Tina 1 episode, 1970
- Tom Bowman
- Â Security Man 1 episode, 1970
- Max Faulkner
- Â Second Male Nurse 1 episode, 1969
- Susan Brodrick
- Â Carol 1 episode, 1969
- Howard Goorney
- Â 1st Ghost 1 episode, 1969
- Paddy Ryan
- Â Larry 1 episode, 1969
- Joby Blanshard
- Â Police Inspector 1 episode, 1969
- Kenneth Watson
- Â Police Sergeant 1 episode, 1969
- Bill Reed
- Â Parkin 1 episode, 1969
- Basil Clarke
- Â Coroner 1 episode, 1969
- Michael Forrest
- Â Verrier 1 episode, 1969
- David Stoll
- Â Tilvers 1 episode, 1969
- David Sinclair
- Â Smith 1 episode, 1969
- Makki Marseilles
- Â Manservant 1 episode, 1969
- Marie Makino
- Â Old Lady 1 episode, 1969
- Roland Curram
- Â Jennings 1 episode, 1970
- John Boxer
- Â Doctor Musgrove 1 episode, 1970
- Roger Avon
- Â Uniformed Policeman 1 episode, 1970
- Clare Jenkins
- Â Female Hiker 1 episode, 1970
- John A. Tinn
- Â Sung Lee Crackan 1 episode, 1970
- Sue Vaughan
- Â Blonde Girl in Car 1 episode, 1970
- Edward Caddick
- Â Patient 1 episode, 1970
- Leslie Schofield
- Â Peter 1 episode, 1969
- Dave Carter
- Â Electrician 1 episode, 1969
- Harry Hutchinson
- Â 2nd Ghost 1 episode, 1969
- John Kidd
- Â Simpson 1 episode, 1969
- Luke Hanson
- Â Hibert 1 episode, 1969
- Stuart Hoyle
- Â Kim 1 episode, 1969
- Les White
- Â Hales 1 episode, 1969
- John Garvin
- Â Tully 1 episode, 1969
- Kevin Smith
- Â The Photographer 1 episode, 1969
- Robin John
- Â The Constable 1 episode, 1969
- Norman Beaton
- Â Policeman 1 episode, 1970
- Michael Graham
- Â Anaesthetist 1 episode, 1970
- Dudley Jones
- Â Ben Craddock 1 episode, 1970
- David Forbes
- Â Police Constable 1 episode, 1970
- Geoffrey King
- Â Sir Basil Duggan 1 episode, 1970
- Terry Duggan
- Â Jackson 1 episode, 1969
- John Cazabon
- Â The Doctor 1 episode, 1969
- David Downer
- Â Hinch 1 episode, 1969
- Keith Grenville
- Â P.C. Russell 1 episode, 1969
- Colin Vancao
- Â French Croupier 1 episode, 1969
- Philip Weston
- Â Second Constable 1 episode, 1969
- Walter Sparrow
- Â Tramp 1 episode, 1970
- Peter Lawrence
- Â Policeman 1 episode, 1970
- Martin Carroll
- Â Groves 1 episode, 1970
- Don Vernon
- Â The Choreographer 1 episode, 1970
- John Styles
- Â The Ventriloquist 1 episode, 1969
- Eva Enger
- Â Young Lady 1 episode, 1969
- A.J. Brown
- Â Judge 1 episode, 1970
- Ian Butler
- Â Page Boy 1 episode, 1970
- Richard Pescud
- Â Hotel Receptionist 1 episode, 1969
- Simon Barnes
- Â Man with Cards 1 episode, 1969
- David Cargill
- Â Shop Assistant 1 episode, 1970
- Michael Gover
- Â Harry 1 episode, 1970
- John Arnatt
- Â Uniformed Inspector 1 episode, 1970
- Bruce Beeby
- Â Chalmers 1 episode, 1970
- John Harvey
- Â Prosecuting Counsel 1 episode, 1970
- Christopher Eedy
- Â Bell Boy 1 episode, 1969
- Pauline Chamberlain
- Â Showgirl / ... (uncredited) 2 episodes, 1969-1970
- Maxwell Craig
- Â Poker Player / ... (uncredited) 2 episodes, 1969-1970
- Frank Maher
- Â Gangster Crashing Through Shop Window (Flashback Sequence) / ... (uncredited) 2 episodes, 1969-1970
- Robin Askwith
- Â Act Pageboy (uncredited) 1 episode, 1969
- Luan Peters
- Â Dancer (uncredited) 1 episode, 1969
- Fred Wood
- Â Seance Particiipant (uncredited) 1 episode, 1969
- Mike Reid
- Â Man (uncredited) 1 episode, 1969
- Fiona Curzon
- Â Miss Paris (uncredited) 1 episode, 1969
- Guy Standeven
- Â Beauty Contest Judge (uncredited) 1 episode, 1969
- Harry Fielder
- Â Passerby (uncredited) 1 episode, 1969
- Victor Harrington
- Â Theatre Audience (uncredited) 1 episode, 1969
- Tony Allen
- Â Ghost (uncredited) 1 episode, 1969
- Aileen Lewis
- Â Theatre Audience (uncredited) 1 episode, 1969
- Lewis Alexander
- Â Theatre Audience (uncredited) 1 episode, 1969
- Walter Henry
- Â Policeman at Kay's Bedside (uncredited) 1 episode, 1969
- Ron Baker
- Â Policeman (uncredited) 1 episode, 1969
- Michael Stevens
- Â Police Sergeant (uncredited) 1 episode, 1969
- Vic Chapman
- Â Barman (uncredited) 1 episode, 1969
- Sean Barry-Weske
- Â Dancer (uncredited) 1 episode, 1969
- Douglas Cooper
-  First Man at Séance (uncredited) 1 episode, 1969
- Roger Beck
- Â Mourner at Funeral (uncredited) 1 episode, 1969
- T.P. McKenna
- Â Kevin O'Malley (uncredited) 1 episode, 1970
- Reg Thomason
- Â Photographer (uncredited) 1 episode, 1970
- Jim Brady
- Â Amusement Arcade Patron (uncredited) 1 episode, 1970
- Philip Stewart
- Â Court Observer (uncredited) 1 episode, 1970
- Robert Harbin
- Â Magician (uncredited) 1 episode, 1970
- Jill Chartell
- Â Dancer (uncredited) 1 episode, 1970
- Bill Westley Sr.
- Â Police Driver (uncredited) 1 episode, 1970
- Jim Bolton
- Â Man on Stairs (uncredited) 1 episode, 1970
