Guest Stars Arnas Fedaravicius as Sihtric Mark Rowley as Finan James Northcote as Aldhelm Ewan Mitchell as Osferth Adrian Schiller as Aethelhelm Adrian Bouchet as Steapa Caspar Griffiths as Aethelstan Amelia Clarkson as Aelflaed Finn Elliot as Young Uhtred Marcell Zsolt Halmy as Aelfweard Tygo Gernandt as Jackdaw Ossian Perret as Wihtgar Debbie Chazen as Sable Anthony Cozens as Aidan Gabriel Harland as Young Cnut Tristan Harland as Esgar Julia Brown as Ecqwynn Nicholas Asbury as Brother Iestyn Richard Heap as Brother Oswi Neil Ashton as Tavern Owner