Guest Stars Georgia Hirst as Torvi Jennie Jacques as Judith Adam Copeland as Kjetill Flatnose Ferdia Walsh-Peelo as Alfred Ida Nielsen as Margrethe Svea Killoran as Asa Josefin Asplund as Astrid Kelly Campbell as Ingvild Scott Graham as Frodi Darren Cahill as Aethelred Ryan Henson as Hali Leah McNamara as Aud Ben Roe as Guthrum Kris Holden-Ried as Eyvind Jack McEvoy as Helgi the Lean Elijah Rowen as Asbjorn Donna Dent as Rafarta Mei Bignall as Thorunn Tallulah Belle Earley as Jorunn Jonathan Delaney Tynan as Lord Cuthred Christopher McHallem as First Saxon Noble Malcolm Douglas as Cyneheard Rob Malone as Thorgrim James Craze as Bul Dagny Backer Johnsen as Princess Snaefrid Anthony Brophy as King Svase David Shannon as Ealdorman 1 Eamonn Draper as Bishop Orlaith Doherty as Rider