Guest Stars John Kavanagh as The Seer Gaia Weiss as Porunn Co Starring Maude Hirst as Helga Edvin Endre as Erlendur Jefferson Hall as Torstein Cormac Melia as Ubbe Cathal O'hallin as Hvitserk Carl Shaaban as Jesus Mark Fitzgerald as Warrior Elizabeth Moynihan as Gunnhild