Overview
- Zimmer will compose the score with support from musicians at Bleeding Fingers Music.
- Production is slated to film at Warner Bros. Studios Leavesden in the United Kingdom.
- Dominic McLaughlin, Arabella Stanton, and Alastair Stout have been cast as Harry Potter, Hermione Granger, and Ron Weasley.
- John Lithgow, Nick Frost, and Warwick Davis will portray Albus Dumbledore, Rubeus Hagrid, and Filius Flitwick.
- HBO is planning a 2027 rollout for the series, with no specific premiere date announced.