Guest Stars Georgia Hirst as Torvi Jennie Jacques as Judith Adam Copeland as Kjetill Flatnose Ragga Ragnars as Gunnhild Ferdia Walsh-Peelo as Alfred Kelly Campbell as Ingvild Scott Graham as Frodi Darren Cahill as Aethelred Leah McNamara as Aud Alicia Agneson as Freydis Róisín Murphy as Princess Elsewith Jack McEvoy as Helgi the Lean Dean Ridge as Magnus Christopher McHallem as First Saxon Noble Eve Connolly as Thora Jim Roche as Saxon Scribe Malcolm Douglas as Cyneheard Ann Skelly as Ethelfled Simon Boyle as Priest David Shannon as Ealdorman 1 Aidan O'Hare as Clergyman Michael O'Flaherty as Clergyman 2 Chooye Bay as Old Man in Market Ben McKeown as Crowbone Allan Keating as Saxon Priest