A Knight of the Seven Kingdoms Adds The Terror, Avengers, My Lady Jane Actors and More to Game of Thrones Prequel’s Cast

HBO’s latest Game of Thrones prequel sure is filling up its tournament rolls. A Knight of the Seven Kingdoms has cast several more actors in its forthcoming first season, TVLine has learned. Among them are Edward Ashley (The Terror, Masters of the Air), who’ll play Ser Steffon Fossoway; Tom Vaughan-Lawlor (the Avengers films, Dublin Murders), […]