David Heyman, producer of the Harry Potter films and the upcoming spinoff Fantastic Beasts and Where to Find Them, talks a little about J.K. Rowling writing the screenplay for Fantastic Beasts.
She sure as hell can write screenplays! She’s a writer. What’s been incredible working with her is her tireless imagination, but also her humility. As a novelist, an editor may make suggestions, but especially her with the success she’s had, with this, she brings an incredibly vivid imagination, wonderful characters, and I think it’s going to be amazing. So working with her is like working with a master – but a master with such humility and sense of collaboration. She knows that David Yates is going to direct this film, and she is working with him and Steve Kloves and us all to make it as good as it can be, to shape it to make it the best film that we can. So there’s a real humility there, and at the same time incredible confidence and originality as a screenwriter.