Alexander Dreymon Uhtred of Bebbanburg Actor David Dawson King Alfred Actor Ian Hart Beocca Actor Emily Cox Brida Actor Tobias Santelmann Ragnar Actor Gerard Kearns Halig Actor Alexandre Willaume Kjartan Actor Ole Christoffer Ertvaag Sven Actor Julia Bache-Wiig Thyra Actor Ola Rapace Bloodhair Actor Thea Sofie Loch Næss Skade Actor Timothy Innes Edward Actor Magnus Bruun Cnut Actor Joseph Millson Actor Rune Temte Actor Matthew Macfadyen Actor Rutger Hauer Actor Thomas W. Gabrielsson Actor Peter Gantzler Actor Henning Valin Jakobsen Actor Gareth Neame Executive Producer Nigel Marchant Executive Producer Stephen Butchard Executive Producer