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 in translation expectations of their target market. Adaptation may also extend to vocabulary or grammatical choices that might impair legibility or impart some cognitive dissonance. Readers usually wouldn't be aware of the adaptations, but the choice to change the title of the American edition of the first Harry Potter book from "Harry Potter and the Philosopher's Stone" to "Harry Potter and the Sorcerer's Stone" highlighted the practice and drew considerable attention. The book's title was changed due to the American publisher's concern that children would be confused by a reference to philosophy. Other translations have also changed the first book's title, for