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 Simon Kunz as Odda the Elder Julia Bache-Wiig as Thyra Peri Baumeister as Gisela Christian Hillborg as Erik Magnus Samuelsson as Clapa Björn Bengtsson as Sigefrid Henrik Lundström as Rollo