Superman and Mad Max: Fury Road star Nicholas Hoult has officially been cast as the flamboyant Professor Gilderoy Lockhart in the highly anticipated second season of HBO’s Harry Potter television series. Fans of the wizarding world will remember Lockhart as a central figure in Harry Potter and the Chamber of Secrets. Article continues after this ad AdvertisementThe HBO series is shaping up to be a massive holiday event. The first season, which adapts Harry Potter and the Philosopher’s Stone, is set to debut on December 25 on HBO and HBO Max. Are you ready to see Nicholas Hoult flash that famous five-time Witch Weekly’s Most-Charming-Smile?