Guest Stars Amalia Holm as Hrefna Pollyanna McIntosh as Queen Ælfgifu Sofia Lebedeva as Elena Leander Vyvey as Stígr Florian Munteanu as General Georgios Maniakes Goran Višnjić as Erik the Red Set Sjöstrand as Magnus Olafsson Co Starring Christopher Rygh as Agnarr Aoibhínn McGinnity as Valgerda Ciaran McMahon as Hámundr Jade O'Connor as Gunn Jakob Femerling Andersen as Svein Eóghain Francis Kiernan as Áki Pyry Kähkönen as Harald Harefoot Sharon McCoy as Skögul Cal O'Driscoll as Edward Henry Proctor as Alfred Peter Claffey as Dunstan Horatio Hirst as Bishop Grimketel Carrie Crowley as Hilde Huey O'Meara as Harthacanute Kate Bratchyna as Katla Christopher Sciueref as Patriarch Oliver Jones as Helvig Keith Murphy as Lang Erin Boyce as Astrid Paul Sparkes as Trader One Alexi Armitage as Byzantine Guard Will Guppy as Soldier Tadhg Devery as Jomsman Dylan McDonough as Priest
