Harry Edward Melling (born March 17, 1989) is an English actor known for playing Dudley Dursley in five Harry Potter films and for his role as Harry Beltik in The Queen's Gambit. His grandfather was actor Patrick Troughton
When the police take time to find Keller Dover's daughter and her friend, he decides to go on a search himself. His desperation leads him closer to finding the truth and also jeopardises his own life.