Special Guest Stars Peter Gantzler as Earl Ragnar Rutger Hauer as Ravn Guest Stars Alec Newman as Aethelred Tom Taylor as Young Uhtred Julia Bache-Wiig as Thyra Nicholas Rowe as Asser Ole Christoffer Ertvaag as Sven Henning Valin Jakobsen as Storri Alexandre Willaume as Kjartan Madeleine Power as Young Thyra Elizabeth Conboy as Glenna Co Starring Scott Alexander Young as Blacksmith Nicholas Wittman as Digger