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 Co Starring Christopher Rygh as Agnarr Aoibhínn McGinnity as Valgerda Kayode Akinyemi as Kaysan Taylor James as Batu Ciaran McMahon as Hámundr Jade O'Connor as Gunn Jakob Femerling Andersen as Svein Eleanor McLynn as Dorn Eóghain Francis Kiernan as Áki Pyry Kähkönen as Harald Harefoot Sharon McCoy as Skögul Cal O'Driscoll as Edward Henry Proctor as Alfred Luke Harmon as Harald Haraldsson Carrie Crowley as Hilde Kate Bratchyna as Katla Huey O'Meara as Harthacanute Christopher Sciueref as Patriarch Oliver Jones as Helvig Erin Boyce as Astrid Shane Lynch as Bishop of Constantinople Ceire O'Donoghue as Signe Muireann Ryan as Liv's Mother Brian Mulvey as Trygg Gail Brady as Aina Kieran Wilders as Servant Eoghan Walsh as Young Male Greenlander
