Harry Potter author J.K. Rowling had harsh words for former Hermione actress Emma Watson over remarks made by Watson on a recent podcast. Below, we unpack the J.K. Rowling and Emma Watson riff, from Watson's remarks to the source of Rowling's anger with her former collaborator. What has Emma Watson said about J.K. Rowling? Emma Watson as Hermione in 'Harry Potter and the Deathly Hallows: Part I'. Emma Watson and J.K. Rowling at the 2011 Orange British Academy Film Awards at The Royal Opera House on February 13, 2011 in London.