Guest Stars Rico Canadinhas as Boy 2 Richard Pepple as Sir Tor Manvir Bawa as Boy 1 Freddie Hawkins as Shortshanks Rafi Fraser as Young Arthur Alice McMillan as Sobbing Barmaid Co Starring Emily Coates as Sister Iris Polly Walker as Lady Lunete Zoë Waites as The Widow Sophie Harkness as Sister Celia Terence Maynard as Brother Salt Sean Gilder as Bors Peter Guinness as Sir Ector Bryony Miller as Brioni Caroline Lee-Johnson as Abbess Nora Richard Brake as Brother Theophilius Jaye Griffiths as Lady Marion Antonio Magro as Elliduc Siu-See Hung as Sister 1 Isabella Austin as Young Morgana David Verrey as Sir Boone Dermot Keaney as Collector Frank Miller as Brother Horde Gabriel Akuwudike as Ortho Joel Morris as Keith David Gant as Magistrate Gary Reimer as Red Paladin 1