Can you still love Harry Potter without supporting J.K. Rowling? Fans are now at war about the answer to that question. The U.K. Supreme Court ruled that trans women are not legally women—a decision cheered on by Harry Potter author J.

"Why is this a factor at all?" the actor, who is slated to play Albus Dumbledore in HBO's upcoming show, said amid Rowling's anti-trans controversies.

John Lithgow is opening up about how fans feel about him joining HBO's "Harry Potter" series, considering the involvement of the contentious franchise creator J.K. Rowling. In a sit-down with The Times of London,