Special Guest Stars Clive Standen as Rollo 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 Kelly Campbell as Ingvild Scott Graham as Frodi Darren Cahill as Aethelred Ryan Henson as Hali Leah McNamara as Aud Kris Holden-Ried as Eyvind Alicia Agneson as Freydis 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 Mark Lavery as Ivar's Male Slave