Arabella Stanton was cast as the new Hermione Granger in the HBO TV series of 'Harry Potter.' Learn all about the actress, including her age, career and more.

Dominic McLaughlin will portray Harry Potter. Alastair Stout will play Ronald Weasley, and Arabella Stanton will play Hermione Granger.

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 upcoming 'Harry Potter' series aims to 'explore every corner of the wizarding world.' Meet Hogwarts' new Harry, Ron, and Hermione with EW's 'Harry Potter' cast and character guide.