Guest Stars Georgia Hirst as Torvi Maude Hirst as Helga Edvin Endre as Erlendur Morgane Polanski as Princess Gisla Huw Parmenter as Roland Owen Roe as Count Odo Karen Hassan as Therese Frankie McCafferty as Sinric Luke Shanahan as Ubbe Elijah O'Sullivan as Sigurd Stephen Rockett as Hvitserk Dianne Doan as Yidu Steve Wall as Uncle Einar James Quinn Markey as Ivar Cillian O'Sullivan as Eirik Co Starring Barry McGovern as French Archbishop Shashi Rami as Slave Trader Rosalie Connerty as Angrboda Simon Jewell as Frankish Officer Uncredited Ross Magee as Boat Captain