HBO has cast Naomi Watts in its “Game of Thrones” prequel, the network announced on Tuesday. Ordered to pilot earlier this year, the untitled project from “Game of Thrones” author George R. R. Martin and “Kingsman” screenwriter Jane Goldman is set thousands of years before the events of the current “Game of Thrones” series in the era known as the “Age of Heroes.” Read the full article on The Wrap