Michael Robert Johnson Creator James Norton Harold Godwinson Actor, Executive Producer Nikolaj Coster-Waldau William of Normandy Actor Clémence Poésy Matilda of Normandy Actor Clare Holman Gytha Actor Ingvar Eggert Sigurðsson Fitzosbern Actor Bo Bragason Queen Gunhild Actor Elander Moore Morcar Actor Luther Ford Tostig Actor Jason Forbes Thane Thomas Actor Emily Beecham Edith Actor Sveinn Ólafur Gunnarsson Harald Hardrada Actor Léo Legrand Odo Actor Calum Sivyer Tallifer Actor Högni Music Kitty Kaletsky Executive Producer Baltasar Kormákur Executive Producer, Director Lindsey Martin Executive Producer Dave Clarke Executive Producer Ed Clarke Executive Producer Robert Taylor Executive Producer Erik Leijonborg Director Davíð Már Stefánsson Writer