Watson sufficiently impressed casting agents and the film's producers, and won the role of Hermione Granger, Harry Potter's smart, bossy best friend and voice of reason. Harry Potter was portrayed by Daniel Radcliffe, and Rupert Grint was cast as Ron Weasley, Harry's other best friend. The trio of British child actors would become known around the globe for their roles as young wizards fighting a battle between good and evil. Harry Potter and the Sorcerer's Stone was released in November 2001.