Guest Stars Georgia Hirst as Torvi Jennie Jacques as Judith Ferdia Walsh-Peelo as Alfred Ida Nielsen as Margrethe Josefin Asplund as Astrid Darren Cahill as Aethelred Ben Roe as Guthrum Frankie McCafferty as Sinric Jonathan Delaney Tynan as Lord Cuthred Karima McAdams as Kassia Albano Jerónimo as Euphemius Paul Reid as Mannel Aoife Molony as Chief Priestess