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 and the Deathly Hallows – Part 2 (soundtrack) the Gringotts sequence. The main theme of the film, "Lily's Theme", was performed by Mai Fujisawa, daughter of Japanese composer Joe Hisaishi. In the film, several tracks are re-used from previous "Harry Potter" films, which are not included in the released soundtrack: a variant of "Hedwig's Theme"', originally composed by John Williams, which plays during a scene in "Harry Potter and the Chamber of Secrets", is used twice in Part 2. The first time is when Harry, Ron, and Hermione meet with their friends in the Room of Requirement. Critics have claimed that this has added strongly to the deep,