Guest Stars Sofia Lebedeva as Elena Pollyanna McIntosh as Queen Ælfgifu Stanislav Callas as Jorundr Hayat Kamille as Mariam Co Starring Christopher Rygh as Agnarr Aoibhínn McGinnity as Valgerda Kayode Akinyemi as Kaysan Taylor James as Batu Emily McEntire as Hrefna Charlie O'Connor as Svein Ciaran McMahon as Hámundr Jade O'Connor as Gunn Eleanor McLynn as Dorn James Ballanger as Hallbjorn Henessi Schmidt as Gytha Eóghain Francis Kiernan as Áki Sharon McCoy as Skögul Patrick Loftus as Kolr Yngvild Støen Grotmol as Gudrid Nikolai Kinski as Emperor Romanos Ailbhe Cowley as Brigtoc Jack Walsh as Priest Shane Robinson as Jomsviking Warrior Caoimhe Coburn Gray as Woman in Kattegat Paul Bullion as Oskir
