Guest Stars Eliza Butterworth as Aelswith Arnas Fedaravicius as Sihtric Mark Rowley as Finan Millie Brady as Aethelflaed Jeppe Beck Laursen as Haesten Adrian Bouchet as Steapa Julia Bache-Wiig as Thyra Simon Kunz as Odda the Elder Peri Baumeister as Gisela Christian Hillborg as Erik Björn Bengtsson as Sigefrid Magnus Samuelsson as Clapa Henrik Lundström as Rollo