Guest Stars Jennie Jacques as Judith John Kavanagh as The Seer Maude Hirst as Helga Moe Dunford as Aethelwulf Jefferson Hall as Torstein Philip O'Sullivan as Bishop Edmund Morgane Polanski as Princess Gisla Cormac Melia as Ubbe Gaia Weiss as Porunn Cathal O'hallin as Hvitserk Amy Bailey as Princess Kwenthrith Robert MacDomhnail as Viking Warrior Steve Wall as Uncle Einar Kevin Durand as Harbard the Wanderer Aaron Monaghan as Burgred Lochlainn O'Mearáin as First Noble Connor Ryan as Second Noble Nigel O'Neill as Viking Farmer Ciaran McGlynn as Saxon #2 Farmstead Matthew O'Brien as Saxon #1 Farmstead Laurence Falconer as Rider Lenny Hayden as Viking #1 Farmstead