Guest Stars Eliza Butterworth as Aelswith Arnas Fedaravicius as Sihtric Millie Brady as Aethelflaed Jeppe Beck Laursen as Haesten Adrian Bouchet as Steapa Simon Kunz as Odda the Elder Julia Bache-Wiig as Thyra Peri Baumeister as Gisela Christian Hillborg as Erik Björn Bengtsson as Sigefrid Ole Christoffer Ertvaag as Sven Alexandre Willaume as Kjartan Peter McDonald as Brother Trew Richard Rankin as Father Hrothweard Marc Rissmann as Tekil Erik Madsen as Fiske Ingar Helge Gimle as Gelgill Mark Phelan as Priest Martyn Ellis as Showman Daisy May as Wench Christos Lawton as Artist