Guest Stars Georgia Hirst as Torvi Adam Copeland as Kjetill Flatnose Ragga Ragnars as Gunnhild Elodie Curry as Asa Lucy Martin as Ingrid Ryan Henson as Hali Oran Glynn O'Donovan as Igor Steven Berkoff as King Olaf the Stout Kristy Dawn Dinsmore as Amma Kieran O'Reilly as White Hair Lenn Kudrjawizki as Prince Dir Eve Connolly as Thora Andrei Claude as Ganbaatar Danny O'Connor as Messenger 1 Serena Kennedy as Anna Conn Rogers as Canute Marko Leht as Torturer Michael Johnston as Messenger 2 Áine Hayden as Old Woman Alicia Gerrard as First Woman Deborah Wiseman as Second Woman