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 of which have been highly successful in their own right. The films have in turn spawned eight video games and have led to the licensing of more than 400 additional "Harry Potter" products. The "Harry Potter" brand has been estimated to be worth as much as $25 billion. The great demand for Harry Potter books motivated "The New York Times" to create a separate best-seller list for children's literature in 2000, just before the release of "Harry Potter and the Goblet of Fire". By 24 June 2000, Rowling's novels had been on the list for 79 straight weeks; the first