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