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) light of its 20th anniversary, wrote that youth-targeted literature has since become "a go-to well of ideas for Hollywood," pointing to the successes of "The Twilight Saga" and "The Hunger Games". The series has spawned a vast volume of fan fiction, with nearly 600 thousand inspired stories catalogued. YouTube hosts many fan films, ranging from amateur productions to full-length films. Harry Potter (film series) Harry Potter is a British-American film series based on the "Harry Potter" novels by author J. K. Rowling. The series is distributed by Warner Bros. and consists of eight fantasy films, beginning with "Harry Potter and