Rowling defends Dumezweni’s casting as Hermione Granger. Other Harry Potter actors, including Jason Isaacs and Matthew Lewis, also lend their support.
Canon: brown eyes, frizzy hair and very clever. White skin was never specified. Rowling loves black Hermione 😘 https://t.co/5fKX4InjTH
— J.K. Rowling (@jk_rowling) December 21, 2015