HBO's Harry Potter TV series has been the subject of intense speculation, but Jason Isaacs has now confirmed that the cast is starting to come together.

Harry Potter star Jason Isaacs has revealed he knows some of the stars being cast in the new HBO series - and they’re “incredible actors”. Millions of fans worldwide are awaiting the new series, set to premiere in 2026, with casting news expected to arrive over the next few months.

Jason Isaacs, when asked if he would be up for returning in the upcoming Harry Potter TV series at HBO, had quite the interesting response. Isaacs first starred in the Harry Potter movies as Lucius Malfoy,

Warner Bros. Discovery announced a scripted Harry Potter TV show is coming to HBO. J.K. Rowling will be an executive producer.

The role is Dumbledore, the most central figure to Harry Potter other than the trio of Harry, Ron and Hermione. But there's a bit of a problem.

HBO's Harry Potter TV show is coming up and casting has begun, with rumors flying around faster than Cornish Pixies let out of the cage.