Image Credit: Aidan Monaghan/HBO Dominic McLaughlin may be a newcomer to Hollywood, but he's already stepping into one of the most iconic roles of all time: Harry Potter. The young Scottish actor was officially cast as the Boy Who Lived in HBO's upcoming Harry Potter reboot series, set to bring J.K. Rowling's beloved books to life over the course of a decade. He'll be joined by Arabella Stanton as Hermione Granger and Alastair Stout as Ron Weasley.