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
Warner Bros. Studio Tour London – The Making of Harry Potter year 2000, Heyday Films leased the site for the "Harry Potter" films. Over the next ten years all of the "Harry Potter" films were made there, along with some other notable Warner Bros. productions, with the series eventually becoming the most successful film series in history. As the eighth and final Harry Potter film was nearing completion, in 2010, Warner Bros. announced their intention to purchase the studio as a permanent European base. By November, Warner Bros. completed its purchase of Leavesden Studios and announced plans to invest more than £100m into the site they had occupied for over ten