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
The plot centers on a pandemic of a weaponized strain of influenza that kills almost the entire world population. The few survivors, united in groups, establish a new social system and engage in confrontation with each other.