Guest Stars Georgia Hirst as Torvi Jennie Jacques as Judith Ragga Ragnars as Gunnhild Ferdia Walsh-Peelo as Alfred Svea Killoran as Asa Ryan Henson as Hali Steven Berkoff as King Olaf the Stout Kristy Dawn Dinsmore as Amma Róisín Murphy as Princess Elsewith Alicia Agneson as Freydis Kieran O'Reilly as White Hair Dean Ridge as Magnus Simon Boyle as Priest Erik Madsen as King Hemming Markjan Winnick as King Angantyr Sandra Voe as Witch Gavan Duffy as King Frodo Marcus Lamb as Physician