- Marius Goring
- Â Sir Percy Blakeney / ... 18 episodes, 1955-1956
- Stanley Van Beers
- Â Chauvelin 17 episodes, 1955-1956
- Patrick Troughton
- Â Sir Andrew Ffoulkes 15 episodes, 1955-1956
- Anthony Newlands
- Â Lord Richard Hastings 15 episodes, 1955-1956
- Alexander Gauge
- Â Prince of Wales / ... 12 episodes, 1955-1956
- Lucie Mannheim
- Â Countess la Valliere 7 episodes, 1955
- Arthur Dibbs
- Â Major Domo 1 episode, 1955
- Maureen Connell
- Â Melanie / ... 3 episodes, 1955-1956
- Milton Rosmer
- Â Banker Rothstein / ... 2 episodes, 1956
- William Franklyn
- Â Fleury / ... 2 episodes, 1955
- Balbina
- Â Colette / ... 2 episodes, 1955-1956
- Cyril Shaps
- Â Bibot 2 episodes, 1955
- Thea Gregory
- Â Christine Hobson 2 episodes, 1955
- Jean Aubrey
- Â Rachelle / ... 2 episodes, 1956
- Ivor Dean
- Â 1st Agent / ... 2 episodes, 1955-1956
- Peter La Trobe
- Â Joubert 2 episodes, 1955-1956
- Robert Cawdron
- Â Chicon / ... 2 episodes, 1955
- Dennis Edwards
- Â Sir Reginald Compton 2 episodes, 1955
- Allan Jeayes
- Â Jellyband / ... 2 episodes, 1955
- Philip Morant
- Â Captain 2 episodes, 1955
- Michael Collins
- Â 2nd Soldier / ... 2 episodes, 1955
- Joanna Duncan
- Â Lady Arabella 1 episode, 1955
- Yvonne Furneaux
- Â Suzanne de Fleury 1 episode, 1955
- Robert Shaw
- Â Lord Anthony Dewhurst 1 episode, 1955
- Elvi Hale
- Â Jeanette 1 episode, 1956
- Renee Goddard
- Â Madeleine 1 episode, 1956
- John Laurie
- Â Dr. Dufay 1 episode, 1956
- Roger Delgado
- Â Andre 1 episode, 1956
- Nicholas Bruce
- Â Captain Delong 1 episode, 1956
- Eric Lindsay
- Â Antoine 1 episode, 1956
- Phil Brown
- Â Frank Rawlinson 1 episode, 1955
- Ingeborg von Kusserow
- Â Cecille 1 episode, 1955
- Susan Lyall Grant
- Â Ginette 1 episode, 1955
- Gordon Whiting
- Â Harding 1 episode, 1955
- Sybil Arundale
- Â Mrs. Burton 1 episode, 1955
- Susan Richmond
- Â Madame Tussaud 1 episode, 1955
- Reginald Beckwith
- Â The Tax Collector 1 episode, 1956
- Greta Watson
- Â Antoinette 1 episode, 1956
- Gillian Barber
- Â Cecille 1 episode, 1956
- Rodney Diak
- Â Lord Larkin 1 episode, 1956
- Rachel Gurney
- Â Marquise de Manton 1 episode, 1955
- Peggy Thorpe-Bates
- Â Lady Caroline Wells 1 episode, 1955
- Arthur Young
- Â Jacques 1 episode, 1955
- Richard Bennett
- Â George Hobson 1 episode, 1955
- William Abney
- Â John Adams 1 episode, 1955
- Sybil Wise
- Â Alice 1 episode, 1955
- Christopher Steele
- Â Count Latour 1 episode, 1955
- Michael Ripper
- Â Elbeuf 1 episode, 1956
- Gillian Ferguson
- Â Elise 1 episode, 1956
- Jimmy Ray
- Â Jean 1 episode, 1956
- Brian Wilde
- Â Sir Thomas Landers 1 episode, 1955
- Esme Percy
- Â Blind Man 1 episode, 1955
- Simone Lovell
- Â Renee 1 episode, 1955
- Julian Somers
- Â Sergeant 1 episode, 1955
- Anne Padwick
- Â Marie 1 episode, 1955
- Ginger Hall
- Â Myra Rawlinson 1 episode, 1955
- Edmund Willard
- Â Concierge 1 episode, 1955
- Michael Hitchman
- Â Assassin 1 episode, 1955
- Thomas Heathcote
- Â Raoul 1 episode, 1956
- Grizelda Hervey
- Â Lady Snatterthwaite 1 episode, 1956
- Janet Burnell
- Â Madame Elbeuf 1 episode, 1956
- Peter Halliday
- Â Sergeant 1 episode, 1955
- Jimmy Thompson
- Â 1st Coachman 1 episode, 1955
- Harold Young
- Â Durand 1 episode, 1955
- Hugo De Vernier
- Â Prison Guard 1 episode, 1955
- Robert Bruce
- Â Lord Fenton 1 episode, 1955
- Claire Pollock
- Â Georgette 1 episode, 1955
- Eric Corrie
- Â Sabot 1 episode, 1955
- Mark Lawton
- Â Dr. Maurois 1 episode, 1955
- Walter Rilla
- Â The Father Guardian 1 episode, 1956
- Nancy Nevinson
- Â Madame Cassis 1 episode, 1956
- Vincent Edward
- Â Gaston DeLong 1 episode, 1956
- Peter O'Toole
- Â 1st Soldier 1 episode, 1955
- Alfie Bass
- Â Labourer 1 episode, 1955
- Arnold Diamond
- Â The Marquis de St Serven 1 episode, 1955
- Denis Shaw
- Â Biggs 1 episode, 1955
- Raymond Rollett
- Â Prison Sergeant 1 episode, 1955
- Edgar K. Bruce
- Â Francois 1 episode, 1955
- Christopher Toyne
- Â Jean-Paul 1 episode, 1955
- Anthony Carlyon
- Â 1st Soldier 1 episode, 1955
- Ben Williams
- Â Landlord 1 episode, 1956
- Diane Aubrey
- Â Lady Georgina 1 episode, 1956
- Monti DeLyle
- Â Second Agent 1 episode, 1956
- Peter Fontaine
- Â The Sergeant 1 episode, 1956
- David Tudor-Jones
- Â Corporal 1 episode, 1956
- Lesley Dudley
- Â Antoinette 1 episode, 1955
- Malcolm Knight
- Â Boy 1 episode, 1955
- Walter Horsbrugh
- Â Baron de Rougement 1 episode, 1955
- Nicolette Bernard
- Â Lady Ponsonby 1 episode, 1955
- Glen Farmer
- Â Lieutenant Gorschen 1 episode, 1955
- Joy Hodgkinson
- Â Lady Austin 1 episode, 1956
- Van Boolen
- Â 1st Citizen 1 episode, 1956
- Donald Conlon
- Â Footman 1 episode, 1956
- Stuart Mitchell
- Â The Labourer 1 episode, 1956
- Alex Scott
- Â Soldier 1 episode, 1955
- Richard Rogers
- Â Charles 1 episode, 1955
- Joan Maude
- Â The Duchess of Northumberland 1 episode, 1956
- Anthony Jacobs
- Â 2nd Citizen 1 episode, 1956
- Celia Hewitt
- Â Arabella Macdonald 1 episode, 1956
- Nicola Braithwaite
- Â Renee 1 episode, 1955
- Clifford Buckton
- Â Hempseed 1 episode, 1955
- Richard Pearson
- Â Jack Williams 1 episode, 1956
- Kenneth Toye
- Â 3rd Citizen 1 episode, 1956
- Mandy Harper
- Â Berthe 1 episode, 1955
- Conrad Phillips
- Â Latour 1 episode, 1956
- Charles Hersee
- Â Guard 1 episode, 1956
- Paul Williamson
- Â Chauvelin's Agent 1 episode, 1955
- Neal Arden
- Â Higgins 1 episode, 1956
- Alan Whittaker
- Â Clerk of the Court 1 episode, 1956
- Alan Gore-Lewis
- Â Soldier 1 episode, 1955
- Clem Lister
- Â Wolfe 1 episode, 1956
- Howell Davies
- Â Stiles 1 episode, 1956
- Bill Horsley
- Â Footman 1 episode, 1956
- Fred Haggerty
- Â Guard / ... (uncredited) 4 episodes, 1955-1956
- Johnny Rossi
- Â Citizen / ... (uncredited) 4 episodes, 1955-1956
- Lola Morice
- Â Guest / ... (uncredited) 4 episodes, 1955
- Bill Rooney
- Â Guard / ... (uncredited) 4 episodes, 1955
- Fred Wood
- Â Drummer / ... (uncredited) 3 episodes, 1955-1956
- Jack May
- Â Citizen (uncredited) 3 episodes, 1955-1956
- Aidan Harrington
- Â Guard / ... (uncredited) 3 episodes, 1955-1956
- Otto Friese
- Â Citizen / ... (uncredited) 3 episodes, 1955
- George Spence
- Â Citizen / ... (uncredited) 2 episodes, 1955-1956
- Chris Adcock
- Â Guard / ... (uncredited) 2 episodes, 1955-1956
- Chick Fowles
- Â Footman / ... (uncredited) 2 episodes, 1955-1956
- Guy Standeven
- Â Flunky / ... (uncredited) 2 episodes, 1955
- Patrick Halpin
- Â Courtier / ... (uncredited) 2 episodes, 1955
- Fred Machon
- Â Guest (uncredited) 2 episodes, 1955
- Christopher Lee
- Â Louis (uncredited) 1 episode, 1955
- Ian Fleming
- Â Count Latour (uncredited) 1 episode, 1955
- Jim Brady
- Â Drummer (uncredited) 1 episode, 1955
- Victor Harrington
- Â Party Guest (uncredited) 1 episode, 1955
- Victor Platt
- Â Captain (uncredited) 1 episode, 1955
- Aileen Lewis
- Â Citizen (uncredited) 1 episode, 1955
- Wallace Bosco
- Â Citizen (uncredited) 1 episode, 1955
- Angela Kay
- Â Guest (uncredited) 1 episode, 1955
- Alun Owen
- Â First Guard (uncredited) 1 episode, 1955
- Leonard Llewellyn
- Â Guest (uncredited) 1 episode, 1955
- Nigel Bernard
- Â Guest (uncredited) 1 episode, 1955
- Alan Beaton
- Â Major Domo (uncredited) 1 episode, 1955
- Christopher Warbey
- Â Boy (uncredited) 1 episode, 1955
- Jack Hetherington
- Â Guest (uncredited) 1 episode, 1955
- Fred Davis
- Â Guard (uncredited) 1 episode, 1955
- Peggy Scott Sanders
- Â Guest (uncredited) 1 episode, 1955
- Michael Kelly
- Â Prison Sergeant (uncredited) 1 episode, 1955
- Louis Matto
- Â Guard (uncredited) 1 episode, 1955
- John More
- Â Citizen (uncredited) 1 episode, 1955
- Eric Henderson
- Â Citizen (uncredited) 1 episode, 1955
- Johnny Wyne
- Â Citizen (uncredited) 1 episode, 1955
- Philip Stewart
- Â Citizen (uncredited) 1 episode, 1955
- Brenda Bennett
- Â Barmaid (uncredited) 1 episode, 1955
- Richard Duke
- Â Guest (uncredited) 1 episode, 1955
- Ned Lynch
- Â Crewman (uncredited) 1 episode, 1955
- Paddy Brannigan
- Â Citizen (uncredited) 1 episode, 1955
- Randal Kinkead
- Â Second Guard (uncredited) 1 episode, 1955
- Paddy Ryan
- Â Monk (uncredited) 1 episode, 1956
- Joe Phelps
- Â Landlord (uncredited) 1 episode, 1956
