Joseph Fiennes ... Merlin (10 episodes, 2011)
Jamie Campbell Bower ... King Arthur (10 episodes, 2011)
Tamsin Egerton ... Guinevere (10 episodes, 2011)
Peter Mooney ... Kay (10 episodes, 2011)
Philip Winchester ... Leontes (10 episodes, 2011)
Eva Green ... Morgan (10 episodes, 2011)
Claire Forlani ... Queen Igraine (10 episodes, 2011)
Clive Standen ... Gawain (9 episodes, 2011)
Diarmaid Murtagh ... Brastias (9 episodes, 2011)
Chipo Chung ... Vivian (8 episodes, 2011)
Jamie Downey ... Ulfius (8 episodes, 2011)
Sinéad Cusack ... Sybil (7 episodes, 2011)
Lara Jean Chorostecki ... Bridget (7 episodes, 2011)
Ed Cosgrove ... Borin (4 episodes, 2011)
Darach Ó Dúbháin ... Harwel (3 episodes, 2011)
Sean Pertwee ... Ector (3 episodes, 2011)
James Purefoy ... King Lot (3 episodes, 2011)
Caoimhe O'Malley ... Scullery Girl (3 episodes, 2011)
George McMahon ... Messenger (3 episodes, 2011)
Sebastian Koch ... King Uther (2 episodes, 2011)
Daragh O'Malley ... Leodegrance (2 episodes, 2011)
Paul McGlinchey ... Wallace (2 episodes, 2011)
Lauren Coe ... Excalibur (2 episodes, 2011)
Tyler Kennington ... Albion (2 episodes, 2011)
David Coakley ... Fourth Marauder / ... (2 episodes, 2011)
Sebastian Spence ... Lucan (2 episodes, 2011)
Darryl Kinsella ... Camelot Guard (2 episodes, 2011)
Ciaran Gallagher ... Griffith (2 episodes, 2011)
Adam G. Goodwin ... Pellinor (2 episodes, 2011)
Brian McGuinness ... Nentes (2 episodes, 2011)
Fergus Kealy ... Scotland (2 episodes, 2011)
Colin Maher ... Duke of Cornwall (2 episodes, 2011)
