Over 32,000 children auditioned for the lead roles of Harry, Ron, and Hermione, but the parts went to Dominic McLaughlin, Alastair Stout, and Arabella Stanton respectively.

Production Is Finally Taking Off This year has been full of casting announcements for the Harry Potter TV show, but HBO's image of McLaughlin as the Boy Who Lived is the first real look at how ...

Alastair Stout as Ron Weasley Potentially the most unknown of the young trio, Alastair Stout seems to have no other credits to his name—at least as far as we could find—but definitely brings ...

Alastair Stout as Ron Weasley Alastair Stout, left, and Rupert Grint. (HBO/Everett Collection) Stout will play Ron Weasley, the sixth and youngest son in the Weasley family.

HBO's 'Harry Potter' TV show recasts all of the Hogwarts characters with new actors. See who's who in this cast guide.

HBO's 'Harry Potter' TV show recasts all of the Hogwarts characters with new actors. See who's who in this cast guide.

Alastair Stout and Arabella Stanton were cast as Ron Weasley and Hermione Granger, respectively.

(Aidan Monaghan/HBO) McLaughlin officially joined the cast in May alongside two fellow castmates in Arabella Stanton, who will play Hermione, and Alastair Stout, who will play Ron.

(Aidan Monaghan/HBO) McLaughlin officially joined the cast in May alongside two fellow castmates in Arabella Stanton, who will play Hermione, and Alastair Stout, who will play Ron.

(Aidan Monaghan/HBO) McLaughlin officially joined the cast in May alongside two fellow castmates in Arabella Stanton, who will play Hermione, and Alastair Stout, who will play Ron.