Michael Robert Johnson Creator, Writer, Screenwriter James Norton Harold Godwinson Actor, Executive Producer Nikolaj Coster-Waldau William of Normandy Actor, Director 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 Sveinn Ólafur Gunnarsson Harald Hardrada Actor Jean-Marc Barr King Henry of France Actor Elander Moore Morcar Actor Léo Legrand Odo Actor Clémence Poésy Matilda of Normandy Actor Oliver Masucci Baldwin Actor Jason Forbes Thane Thomas Actor Indy Lewis Margaret Actor Ines Høysæter Asserson Judith Actor Högni Music Bálint Szentgyörgyi Director Baltasar Kormákur Director, Executive Producer Kitty Kaletsky Executive Producer Erik Leijonborg Director Lindsey Martin Executive Producer Dave Clarke Executive Producer Ed Clarke Executive Producer Robert Taylor Executive Producer Davíð Már Stefánsson Writer Sam Hoare Writer Rachel Kilfeather Writer