Guest Stars Peter Ferdinando as Jaro Omid Djalili as Sir Fantumar Kemi-Bo Jacobs as Darya Tawfeek Barhom as Jabroot Ross Armstrong as Balin David Wenham as Sir Tiuri The Valiant Ben Chaplin as The Black Knight Peter McCauley as General Ken Nwosu as Ristridin Andy Serkis as Mayor of Mistrinaut Scroobius Pip as Grey Rider Harry Lawtrey as Maurice Jim High as Grey Rider Steven O'Donnell as Mayor's Constable Jan Španbauer as Innkeeper