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
I added my first choices, but feel free to add any other suggestion. Please don't add actors that have already been introduced into the MCU or have already played a character. I'd also appreciate any character suggestions in the comments.
