Headey appears as Queen Cersei Lannister in the fifth episode of Game of Thrones, The Wolf And The Lion. Mark Addy plays King Robert Baratheon. In King’s Landing, Robert and Cersei discuss the threat of Daenerys Targaryen, a descendant of King Aerys Targaryen who Robert deposed. Cersei advises acting against her. She asks Robert if their marriage ever stood a chance and he says that it never did, as he has remained loyal to Lyanna Stark, who died in the war that won him the throne.