Guest Stars Nathan O'Toole as Bjorn Lothbrok David Pearse as Svein Vladimir Kulich as Eric Co Starring Jefferson Hall as Torstein Tadhg Murphy as Arne Diarmaid Murtagh as Leif Ruby O'Leary as Gyda Lothbrok Eric Higgins as Knut Craig Whittaker as Hakon Eddie Elks as Olafur Jouko Ahola as Kauko Will Irvine as Brother Cenwulf Eddie Jackson as Monk Martin Phillips as Old Monk Sebastiaan Vermeul-Taback as Osiric Paul Kealyn as Blacksmith Nathan Gordon as Monk Des Braiden as Father Cuthbert Carolyn Murray as Blacksmith's Daughter Amber Jean Rowan as Floki's Slave Girl