​‘Harry Potter’ TV show cast guide: Who’s playing who?​

Original actor: Harry MellingNow being played by: Amos KitsonAmos Kitson steps in as Dudley Dursley, Harry’s spoiled cousin and the only child of Petunia and Vernon. Dudley spends years tormenting Harry and gets pretty much everything he wants from his parents. By the end of the story, Dudley actually apologizes to Harry for all the trouble he caused growing up. This is Kitson’s first acting role.