Guest Stars Lujza Richter as Liv Louis Davison as Prince Edmund Álfrún Laufeyjardóttir as Yrsa Gavan O'Connor-Duffy as Njall Edward Franklin as Skarde Bosco Hogan as King Æthelred II Co Starring Christopher Rygh as Agnarr James Ballanger as Hallbjorn Pääru Oja as Arne Kenneth M. Christensen as Olof Skötkonung Ethan Dillon as Vestian Robert McCormack as Tomas Jack Mullarkey as Toke Gavin Drea as Eadric Streona Jaakko Ohtonen as Johan Sam Stafford as Ulf Frank Blake as Birger Julian Seager as Jarl Gorm Dawn Bradfield as Hrafna Barry McKiernan as King Æthelred's Doctor