Harry Melling is an English actor. He started his acting career after landing the role of Dudley Dursley in the Harry Potter films. On television, he made his first role in an episode of Friends and Crocodiles. In the 2010s, he made guest appearances in the television shows Just William, Garrow’s Law, and The Musketeers. He went on to make performances in such feature films The Lost City of Z, The Ballad of Buster Scruggs, and The Keeper. In 2019, he guest-starred in His Dark Materials and The War of the Worlds. The following year, he starred in the films The Devil All the Time and The Old Guard.