Guest Stars Georgia Hirst as Torvi Alex Høgh Andersen as Ivar the Boneless Jordan Patrick Smith as Ubbe Marco Ilsø as Hvitserk Maude Hirst as Helga Morgane Polanski as Princess Gisla Huw Parmenter as Roland Karen Hassan as Therese David Lindström as Sigurd Snake in the Eye Adam McNamara as Thorhall Tom Hopkins as French Archbishop Ian Meehan as Frankish Officer