Harry Potter (film series) to be re-cast for the third instalment, "Harry Potter and the Prisoner of Azkaban". David Heyman and director Alfonso Cuarón chose Michael Gambon to portray the character of Dumbledore, which he did for all succeeding films. Notable recurring cast members include Helena Bonham Carter as Bellatrix Lestrange, Warwick Davis as Filius Flitwick, Ralph Fiennes as Lord Voldemort, Brendan Gleeson as Alastor Moody, Richard Griffiths as Vernon Dursley, Jason Isaacs as Lucius Malfoy, Gary Oldman as Sirius Black, Fiona Shaw as Petunia Dursley, Timothy Spall as Peter Pettigrew, David Thewlis as Remus Lupin, Emma Thompson as Sybill Trelawney, Mark Williams as
Harry Potter (film series) also composed the soundtrack to "Half-Blood Prince" but decided not to return for the final films. In January 2010, Alexandre Desplat was confirmed to compose the score for "Harry Potter and the Deathly Hallows – Part 1". The film's orchestration started in the summer with Conrad Pope, the orchestrator on the first three "Harry Potter" films, collaborating with Desplat. Pope commented that the music "reminds one of the old days." Desplat returned to score "Harry Potter and the Deathly Hallows – Part 2" in 2011. Director David Yates stated that he wanted John Williams to return to the series for