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 Kate Bratchyna as Katla Carrie Crowley as Hilde Huey O'Meara as Harthacanute Christopher Sciueref as Patriarch Erin Boyce as Astrid Oliver Jones as Helvig Keith Murphy as Lang Paul Sparkes as Trader One Will Guppy as Soldier Alexi Armitage as Byzantine Guard Tadhg Devery as Jomsman Dylan McDonough as Priest
