- Annette Crosbie
- Â Queen Victoria 10 episodes, 1975
- Timothy West
- Â Prince of Wales / ... 9 episodes, 1975
- Helen Ryan
- Â Princess Alexandra / ... 8 episodes, 1975
- Felicity Kendal
- Â Princess Vicky / ... 7 episodes, 1975
- Guy Slater
- Â Charles Carrington / ... 7 episodes, 1975
- Jane Lapotaire
- Â Dowager Empress Dagmar / ... 6 episodes, 1975
- Michael Osborne
- Â Prince George 6 episodes, 1975
- Michael Hordern
- Â W.E. Gladstone / ... 5 episodes, 1975
- Christopher Neame
- Â Kaiser Wilhelm II / ... 5 episodes, 1975
- Peter Howell
- Â Francis Knollys 5 episodes, 1975
- Michael Byrne
- Â Fritz 5 episodes, 1975
- Judy Loe
- Â Princess May / ... 5 episodes, 1975
- Ian Gelder
- Â Affie / ... 5 episodes, 1975
- Madeleine Cannon
- Â Princess Toria 5 episodes, 1975
- Barbara Laurenson
- Â Charlotte Knollys 5 episodes, 1975
- Robert Hardy
- Â Prince Albert 4 episodes, 1975
- André Morell
- Â Lord Palmerston 4 episodes, 1975
- Moira Redmond
- Â Alice Keppel 4 episodes, 1975
- Shirley Steedman
- Â Alice 4 episodes, 1975
- Deborah Makepeace
- Â Helena 4 episodes, 1975
- Vanessa Miles
- Â Princess Louise 4 episodes, 1975
- Rosalyn Elvin
- Â Princess Maud 4 episodes, 1975
- Alison Leggatt
- Â Duchess of Kent / ... 3 episodes, 1975
- Richard Vernon
- Â Lord Salisbury 3 episodes, 1975
- Charles Sturridge
- Â Bertie 3 episodes, 1975
- Kathleen Byron
- Â Princess Christian / ... 3 episodes, 1975
- Bruce Purchase
- Â Czarevitch Alexander / ... 3 episodes, 1975
- Lyndon Brook
- Â A.J. Balfour 3 episodes, 1975
- Edward de Souza
- Â Luis de Soveral 3 episodes, 1975
- Anthony Douse
- Â Prince Christian / ... 3 episodes, 1975
- Harry Andrews
- Â Colonel Bruce / ... 3 episodes, 1975
- John Normington
- Â Oliver Montagu 3 episodes, 1975
- Basil Hoskins
- Â Lord Esher 3 episodes, 1975
- Paul Greenhalgh
- Â George I of Greece / ... 3 episodes, 1975
- Denis Lill
- Â Frederick Ponsonby 3 episodes, 1975
- William Dysart
- Â John Brown 3 episodes, 1975
- Robert Robinson
- Â Sir Ernest Cassel / ... 3 episodes, 1975
- Michael Billington
- Â Czar Nicholas II 3 episodes, 1975
- John Gielgud
- Â Benjamin Disraeli 2 episodes, 1975
- Deborah Grant
- Â Alix - Princess Alexandra of Denmark 2 episodes, 1975
- Noel Willman
- Â Baron Christian von Stockmar 2 episodes, 1975
- Geoffrey Bayldon
- Â Sir Henry Campbell-Bannerman 2 episodes, 1975
- Francesca Annis
- Â Lillie Langtry 2 episodes, 1975
- Carolyn Seymour
- Â Daisy Lady Warwick / ... 2 episodes, 1975
- Edward Hardwicke
- Â Lord Rosebery 2 episodes, 1975
- Gwyneth Strong
- Â Minny 2 episodes, 1975
- James Berwick
- Â Sir John Fisher 2 episodes, 1975
- Gareth Thomas
- Â Lord Beresford / ... 2 episodes, 1975
- Charles Dance
- Â Prince Eddy 2 episodes, 1975
- Nigel Havers
- Â Frederick Crichton 2 episodes, 1975
- Moultrie Kelsall
- Â Dr. Clark / ... 2 episodes, 1975
- Susan Macready
- Â Wally Paget 2 episodes, 1975
- Angus MacKay
- Â Lord Lansdowne 2 episodes, 1975
- Michael Elder
- Â Grant 2 episodes, 1975
- Rhoda Lewis
- Â Lady Macclesfield 2 episodes, 1975
- Sally Home
- Â Agnes Keyser 2 episodes, 1975
- Peter Collingwood
- Â Lord John Russell / ... 2 episodes, 1975
- Philippa Robinson
- Â Louise 2 episodes, 1975
- Cheryl Campbell
- Â Princess Beatrice 2 episodes, 1975
- Meriel Brook
- Â Czarina Alexandra 2 episodes, 1975
- Roy Jacobs
- Â Prince David 2 episodes, 1975
- Daniel Slater
- Â Prince George 2 episodes, 1975
- Rebecca Slater
- Â Princess Mary 2 episodes, 1975
- Max Hartnell
- Â Equerry 2 episodes, 1975
- Patience Collier
- Â Baroness Lehzen 1 episode, 1975
- Joseph O'Conor
- Â Viscount Melbourne 1 episode, 1975
- Basil Dignam
- Â H. H. Asquith 1 episode, 1975
- Robert Flemyng
- Â Lord Coventry 1 episode, 1975
- John Welsh
- Â Duke of Wellington 1 episode, 1975
- Simon Gipps-Kent
- Â Younger Bertie 1 episode, 1975
- Michael Barrington
- Â Sir Robert Peel 1 episode, 1975
- Terrence Hardiman
- Â F. W. Gibbs 1 episode, 1975
- Joyce Carey
- Â Lady Chesterfield 1 episode, 1975
- Brewster Mason
- Â Bismarck 1 episode, 1975
- Arthur Hewlett
- Â Earl of Aberdeen 1 episode, 1975
- Peggy Ann Wood
- Â Lady Lyttleton 1 episode, 1975
- Hilary Mason
- Â Mrs. Roberts 1 episode, 1975
- Robert Mill
- Â Lord Blandford 1 episode, 1975
- Virginia Clarke
- Â Nellie Clifden 1 episode, 1975
- Derek Fowlds
- Â Lord Randolph Churchill 1 episode, 1975
- Patricia Hamilton
- Â Mrs. Lilley 1 episode, 1975
- Bryan Coleman
- Â Earl of Derby 1 episode, 1975
- Julian Sherrier
- Â Napoleon III 1 episode, 1975
- David Freedman
- Â Natty Rothschild 1 episode, 1975
- Jeffry Wickham
- Â Lord Aylesford 1 episode, 1975
- Clive Morton
- Â Lieut. Gen. Owen Williams 1 episode, 1975
- Chloe Ashcroft
- Â Empress Eugenie 1 episode, 1975
- Tom Criddle
- Â Archbishop of Canterbury 1 episode, 1975
- George Belbin
- Â Sir George Brown 1 episode, 1975
- Donald Douglas
- Â Sir William Gordon Cumming 1 episode, 1975
- Peter Cartwright
- Â Colonel Percy 1 episode, 1975
- Richard Leech
- Â Sir Charles Dilke 1 episode, 1975
- Trevor Baxter
- Â Bishop of London 1 episode, 1975
- Teresa White
- Â Lady Aylesford 1 episode, 1975
- Peter Penry-Jones
- Â Augustus Paget 1 episode, 1975
- Glenn Williams
- Â Sergeant Major 1 episode, 1975
- Lee Fox
- Â Frederick Wilhelm IV 1 episode, 1975
- Stephen Grover
- Â Younger Affie 1 episode, 1975
- James Warwick
- Â Prince Ernest 1 episode, 1975
- John Boswall
- Â King Leopold 1 episode, 1975
- Nancie Jackson
- Â Lady Beresford 1 episode, 1975
- Peter Spraggon
- Â Drill Sergeant 1 episode, 1975
- John Carlin
- Â George Lewis 1 episode, 1975
- Anthony Dawes
- Â Lord Alington 1 episode, 1975
- Mike Gwilym
- Â Sir Charles Mordant 1 episode, 1975
- Kenneth Gilbert
- Â Sir Francis Laking 1 episode, 1975
- Bill Ward
- Â Gardener 1 episode, 1975
- Peter Carlisle
- Â President Buchanan 1 episode, 1975
- Nigel Crewe
- Â Lord Alfred Paget 1 episode, 1975
- Christopher Malcolm
-  American Attaché 1 episode, 1975
- Frederick Treves
- Â Christopher Sykes 1 episode, 1975
- Edward Jewesbury
- Â Lord Granville 1 episode, 1975
- Michael Griffiths
- Â Charles Hardinge 1 episode, 1975
- Roger Ostime
- Â Sir Frederick Treves 1 episode, 1975
- Malcolm Rogers
- Â Reverend Tarver 1 episode, 1975
- Geoffrey Wincott
- Â King Wilhelm I of Prussia 1 episode, 1975
- John Harding
- Â Berkeley Levett 1 episode, 1975
- John Rutland
- Â Sir Edmund Monson 1 episode, 1975
- Nan Munro
- Â Mrs. Schuyler 1 episode, 1975
- Paul Bacon
- Â Norroy King-of-Arms 1 episode, 1975
- Mandy Tulloch
- Â Alice 1 episode, 1975
- Edgar Wreford
- Â Sir William Knollys 1 episode, 1975
- Katherine Hensler
- Â Pussy 1 episode, 1975
- Ivor Roberts
- Â Doctor Gull 1 episode, 1975
- John Serret
- Â President Loubet 1 episode, 1975
- Helen Dorward
- Â Empress Augusta 1 episode, 1975
- Terence Wilton
- Â Lycett Green 1 episode, 1975
- William Abney
- Â Sir Allen Young 1 episode, 1975
- Elliott Sullivan
- Â Prisoner 1 episode, 1975
- Carl Hughes
- Â The Boy 1 episode, 1975
- Patricia O'Brian
- Â Helena 1 episode, 1975
- Trevor Peacock
- Â George Leybourne 1 episode, 1975
- Rula Lenska
- Â Hortense Schneider 1 episode, 1975
- Christopher Strauli
- Â Winston Churchill 1 episode, 1975
- Jeffrey Segal
- Â Dr. Jenner 1 episode, 1975
- Hazel McBride
- Â Jeanne Granier 1 episode, 1975
- David Lander
- Â Prison Governor 1 episode, 1975
- Lisa Welsford
- Â Louise 1 episode, 1975
- John Byron
- Â Arthur Wilson 1 episode, 1975
- Emma Neal
- Â Beatrice 1 episode, 1975
- Jonathan Adams
- Â Sergeant Ballantyne 1 episode, 1975
- Graham Seed
- Â Arthur Wilson Jnr 1 episode, 1975
- Geoffrey Beevers
- Â David Lloyd-George 1 episode, 1975
- Ralph Watson
- Â Dr. Watson 1 episode, 1975
- Donald Bisset
- Â Dr. Brown 1 episode, 1975
- Jerome Watts
- Â Prince Eddy 1 episode, 1975
- Oliver Rudolf
- Â Arthur Aged 6 1 episode, 1975
- Anna Wing
- Â Countrywoman 1 episode, 1975
- Stuart Lock
- Â 1st Newsboy 1 episode, 1975
- Reginald Barratt
- Â Mayor 1 episode, 1975
- John Dunbar
- Â Dean Wellesley 1 episode, 1975
- Margot Van der Burgh
- Â Mrs. Arthur Wilson 1 episode, 1975
- Michael Poole
- Â Stolypin 1 episode, 1975
- Zibba Mayes
- Â Mrs. Crawford 1 episode, 1975
- Christopher Watts
- Â Prince George 1 episode, 1975
- Paul O'Connor
- Â Arthur Aged 3 1 episode, 1975
- Geoffrey Palmer
- Â Sir Edward Clarke 1 episode, 1975
- Jan Harvey
- Â Daisy, Princess of Pless 1 episode, 1975
- Ludmilla Nova
- Â Lady Mordaunt 1 episode, 1975
- Rosamond Burne
- Â Mrs. Gladstone 1 episode, 1975
- Robert Fountain
- Â 2nd Newsboy 1 episode, 1975
- Joshua Bassett
- Â Leopold Aged 3 1 episode, 1975
- Samuel West
- Â Eddy - Albert Victor - Age 5 1 episode, 1975
- George A. Cooper
- Â Archbishop of Canterbury 1 episode, 1975
- Samantha Gates
- Â Princess Victoria 1 episode, 1975
- Norman Shelley
- Â Sir James Reid 1 episode, 1975
- Dan Meaden
- Â Danish Farmer 1 episode, 1975
- Timothy Lines
- Â Charles Carrington 1 episode, 1975
- Alison Crook
- Â Princess Thyra 1 episode, 1975
- Joseph West
- Â George 1 episode, 1975
- Dennis Chinnery
- Â Randall Davidson 1 episode, 1975
- Basil Clarke
- Â Dr. Buchanan 1 episode, 1975
- Barnaby Shaw
- Â 1st Eton Boy 1 episode, 1975
- Monique Potter
- Â Princess Maud 1 episode, 1975
- Anthony Hambleton
- Â Prince Leopold 1 episode, 1975
- Paul Sutch
- Â Arthur 1 episode, 1975
- David Purcell
- Â Police Constable 1 episode, 1975
- Edward Brooks
- Â 'Alberta' Captain 1 episode, 1975
- Peter Richards
- Â Prince Arthur 1 episode, 1975
- David Arnold
- Â 2nd Eton Boy 1 episode, 1975
- Heidi Elphick
- Â Louise 1 episode, 1975
- Arthur Quintus Haycraft
- Â Prince Henry 1 episode, 1975
- Ian Sutch
- Â Leopold 1 episode, 1975
- Dickon Paine
- Â Prince Nicholas 1 episode, 1975
- Edwin Brown
- Â Cabbie 1 episode, 1975
- Wayne Brooks
- Â Prince George 1 episode, 1975
- Christine Blair
- Â Lady in Waiting 1 episode, 1975
- Martin Skinner
- Â Sipido 1 episode, 1975
- Roger Eden
- Â 3rd Eton Boy 1 episode, 1975
- Fanny Bassett
- Â Beatrice 1 episode, 1975
- Eric Hillyard
- Â Cabinet Minister 1 episode, 1975
- Mel Churcher
- Â Princess Helene d'Orleans 1 episode, 1975
- Anthony Woodruff
- Â Cabinet Secretary 1 episode, 1975
- Nicholas Lane
- Â Willy 1 episode, 1975
- Bobby Monro
- Â Sword Dancer 1 episode, 1975
- Mischa De La Motte
- Â Footman 1 episode, 1975
- Ronald Mayer
- Â Village Priest 1 episode, 1975
- Bob Murphy
- Â Bagpiper 1 episode, 1975
- Billy Miller
- Â Violinist 1 episode, 1975
- James Caution
- Â Bagpiper 1 episode, 1975
- David Milner
- Â Bagpiper 1 episode, 1975
- Adrienne Posta
- Â Marie Lloyd 1 episode, 1975
- Irene Peters
- Â Lady In Waiting unknown episodes
- Victor Harrington
- Â House of Lords Committee Member / ... (uncredited) 2 episodes, 1975
- Kathryn Leigh Scott
- Â Harriet Lane (uncredited) 1 episode, 1975
- Lewis Alexander
- Â Dignitary (uncredited) 1 episode, 1975
- Walter Henry
- Â Palace Official Awaiting Royal Birth (uncredited) 1 episode, 1975
- Anthony Lang
- Â House of Lord Committee Member (uncredited) 1 episode, 1975
