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) second unit, and the visual effects unit. You have to know what is being captured – colours, contrast, et cetera – with mathematical precision." He noted that with Stuart Craig's "amazing sets and the story", the filmmakers could not "stray too far from the look of the previous "Harry Potter" films." Along with continuous changes in cinematographers, there have been five film editors to work in post-production on the series: Richard Francis-Bruce edited the first instalment, Peter Honess the second, Steven Weisberg the third, Mick Audsley the fourth, and Mark Day films five through eight. The "Harry Potter" series has