Guest Stars Nathan O'Toole as Bjorn Lothbrok David Pearse as Svein Co Starring Maude Hirst as Helga Jefferson Hall as Torstein Tadhg Murphy as Arne Diarmaid Murtagh as Leif Elinor Crawley as Thyri Haraldson Vladimir Kulich as Eric Trevor Cooper as Earl Bjarni Kevin Flood as Old Man