- Felicity Dean
- Â Queen Guinevere 7 episodes, 1979
- David Robb
- Â Lancelot 7 episodes, 1979
- Maureen O'Brien
- Â Morgan le Fay 7 episodes, 1979
- Andrew Burt
- Â King Arthur 7 episodes, 1979
- Peter Burroughs
- Â Branic 7 episodes, 1979
- Godfrey James
- Â Bors 7 episodes, 1979
- Geoffrey Bateman
- Â Gawain 6 episodes, 1979
- Steve Hodson
- Â Mordred 6 episodes, 1979
- Niall Padden
- Â Agravain 5 episodes, 1979
- Archie Tew
- Â Gareth 5 episodes, 1979
- Eileen Nicholas
- Â Margaret 3 episodes, 1979
- Robert Eddison
- Â Merlin 2 episodes, 1979
- Kevin Stoney
- Â Hermit 2 episodes, 1979
- Denis Carey
- Â King Pelles 2 episodes, 1979
- Tom Kelly
- Â Bedivere 2 episodes, 1979
- Anthony Dutton
- Â Accolon 2 episodes, 1979
- Jon Croft
- Â Lot 2 episodes, 1979
- Amanda Wissler
- Â Eleanor 2 episodes, 1979
- Patsy Kensit
- Â Morgan le Fay, as a child 1 episode, 1979
- Peter Guinness
- Â Girflet 1 episode, 1979
- William Morgan Sheppard
- Â Gorlois 1 episode, 1979
- Hilary Mason
- Â Midwife 1 episode, 1979
- Tim Wylton
- Â Guido de la Porte 1 episode, 1979
- Anne Kidd
- Â Igrayne 1 episode, 1979
- Geoffrey Beevers
- Â Graminore 1 episode, 1979
- Hilary Minster
- Â Arcon 1 episode, 1979
- David Henry
- Â Dark Knight 1 episode, 1979
- Brian Coburn
- Â Uther Pendragon 1 episode, 1979
- Ivor Roberts
- Â Leodograunce 1 episode, 1979
- Emma Jacobs
- Â Elaine 1 episode, 1979
- Donald Eccles
- Â Naciens 1 episode, 1979
- Richard Beale
- Â Ector 1 episode, 1979
- Martin Chamberlain
- Â Kay 1 episode, 1979
- James Simmons
- Â Galahad 1 episode, 1979
- Raymond Mason
- Â Vavasour 1 episode, 1979
- Margot Van der Burgh
- Â Bors' wife 1 episode, 1979
- Eric Francis
- Â Vavasour's Servant 1 episode, 1979
- Terence Soall
- Â Bard 1 episode, 1979
- Barry Halliday
- Â Mador de la Porte 1 episode, 1979
- Richard Austin
- Â Arthur, as a child 1 episode, 1979
- Laurie Goode
- Â Knight's Squire unknown episodes
