Guest Stars Amalia Holm as Hrefna Sofia Lebedeva as Elena Pollyanna McIntosh as Queen Ælfgifu Leander Vyvey as Stígr Florian Munteanu as General Georgios Maniakes Goran Višnjić as Erik the Red Co Starring Christopher Rygh as Agnarr Aoibhínn McGinnity as Valgerda Kayode Akinyemi as Kaysan Taylor James as Batu Ciaran McMahon as Hámundr Eleanor McLynn as Dorn Jade O'Connor as Gunn Jakob Femerling Andersen as Svein Eóghain Francis Kiernan as Áki Sharon McCoy as Skögul Pyry Kähkönen as Harald Harefoot Cal O'Driscoll as Edward Luke Harmon as Harald Haraldsson Henry Proctor as Alfred Huey O'Meara as Harthacanute Kate Bratchyna as Katla Carrie Crowley as Hilde Christopher Sciueref as Patriarch Oliver Jones as Helvig Erin Boyce as Astrid Shane Lynch as Bishop of Constantinople Muireann Ryan as Liv's Mother Gail Brady as Aina Ceire O'Donoghue as Signe Brian Mulvey as Trygg Kieran Wilders as Servant Eoghan Walsh as Young Male Greenlander
