Guest Stars Amalia Holm as Hrefna Sofia Lebedeva as Elena Leander Vyvey as Stígr Florian Munteanu as General Georgios Maniakes Goran Višnjić as Erik the Red Co Starring 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 Eóghain Francis Kiernan as Áki Pyry Kähkönen as Harald Harefoot Sharon McCoy as Skögul Gavin O'Connor as Ealdorman of Anglia Mark Huberman as Ealdorman of Sussex Luke Harmon as Harald Haraldsson Nikolai Kinski as Emperor Romanos Søren Pilmark as Sweyn Forkbeard Carrie Crowley as Hilde Keith Murphy as Lang Erin Boyce as Astrid Oliver Jones as Helvig Shane Lynch as Bishop of Constantinople Ceire O'Donoghue as Signe Gail Brady as Aina Muireann Ryan as Liv's Mother Brian Mulvey as Trygg Miltos Yerolemou as Alexandros Conor Duffy as Vilfil Najib Oudghiri as Calinicus Funda Sullivan as Calinicus Wife Idris Djabaev as Tas
