Harry Potter and the Order of the Phoenix (film) of Lord Voldemort's return. The film stars Daniel Radcliffe as Harry Potter, alongside Rupert Grint and Emma Watson as Harry's best friends Ron Weasley and Hermione Granger. It is the sequel to "Harry Potter and the Goblet of Fire" and is followed by "Harry Potter and the Half-Blood Prince". Live-action filming took place in England and Scotland for exterior locations and Leavesden Film Studios in Watford for interior locations from February to November 2006, with a one-month break in June. Post-production on the film continued for several months afterwards to add in visual effects. The film's budget was reportedly between
Harry Potter and the Goblet of Fire (film) for any of the films." For the second task, involving the film's underwater scenes, the film crew designed and built a blue screen tank holding "about half a million gallons of water." As for the final task, which took place in the maze, hedge walls ranging from 20 to 40 feet tall were constructed and enhanced with computer-generated imagery. John Williams, who had scored the first three "Harry Potter" films, could not return for the fourth instalment due to a busy 2005 schedule. Patrick Doyle, who had worked with Newell in "Into the West" and "Donnie Brasco", replaced him as