Michael Robert Johnson Creator James Norton Harold Godwinson Actor, Executive Producer Nikolaj Coster-Waldau William the Conqueror Actor Eddie Marsan King Edward Actor Juliet Stevenson Lady Emma Actor Emily Beecham Edith Actor Geoff Bell Godwin Actor Clare Holman Gytha Actor Ingvar Eggert Sigurðsson Fitzosbern Actor Elliot Cowan Sweyn Actor Luther Ford Tostig Actor Bo Bragason Queen Gunhild Actor Jean-Marc Barr Henry I of France Actor Elander Moore Morcar Actor Léo Legrand Odo Actor Clémence Poésy Matilda Actor Bjarne Henriksen Earl Siward Actor Oliver Masucci Baldwin Actor Jason Forbes Thane Thomas Actor Joakim Nätterqvist Thorolf Actor Indy Lewis Margaret Actor Ines Asserson Judith Actor Sveinn Ólafur Gunnarsson Hardrada Actor Þorsteinn Bachmann Baron of Brittany Actor Louise Kim Salter Agnes Actor Baltasar Kormákur Director Högni Music Kitty Kaletsky Executive Producer Lindsey Martin Executive Producer Dave Clarke Executive Producer Ed Clarke Executive Producer Robert Taylor Executive Producer