Guest Stars Georgia Hirst as Torvi Jennie Jacques as Judith Maude Hirst as Helga Ida Nielsen as Margrethe Josefin Asplund as Astrid Morgane Polanski as Princess Gisla Ivan Kaye as King Aelle of Northumbria Anton Giltrap as Guthrum Isaac O'Sullivan as Alfred Sinead Gormally as Tanaruz Cathy White as Ealswith Charlie Kelly as Egil Tristan Heanue as Blacksmith Charles Last as William Son of Rollo Caitlin Scott as Judith's Sister Jack Nolan as Earl Jorgensen Donal Gallery as Second Viking Adam Traynor as First Viking