The Harry Potter books are to be made into a new TV series with a brand new cast. Author J K Rowling and her agent Neil Blair are both executive producers.

The series will be produced over the course of a decade, with each season based on one of the seven books. It will be streamed on Max, formerly known as HBO max.

Warner Bros Discovery said in a press release: "The series will feature a new cast to lead a new generation of fandom, full of the fantastic detail, much loved characters and dramatic locations that Harry Potter fans have loved for over 25 years. Each season will be authentic to the original books and bring Harry Potter and these incredible adventures to new audiences around the world, while the original, classic and beloved films will remain at the core of the franchise and available to watch globally.”

Rowling said: "Max’s commitment to preserving the integrity of my books is important to me, and I’m looking forward to being part of this new adaptation which will allow for a degree of depth and detail only afforded by a long-form television series."

Rowling and Blair will executive produce alongside Ruth Kenley-Letts. David Heyman, who executive-produced all eight of the Harry Potter feature films is also in talks to executive-produce.