It is based on J.
Rowling's 2003 novel of the same name.
The fifth instalment in the Harry Potter film series, it was written by Michael Goldenberg and produced by David Heyman and David Barron.
The story follows Harry Potter's fifth year at Hogwarts School of Witchcraft and Wizardry as the Ministry of Magic is in denial 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 £75 and 100 million .
released the film in the United Kingdom on 12 July 2007 and in North America on 11 July, both in conventional and IMAX theatres; it is the first Potter film to be released in IMAX 3D.
Order of the Phoenix opened to a worldwide five-day opening of $333 million, twenty-fifth of all-time, and grossed $942 million total, second to Pirates of the Caribbean: At World's End for the greatest total of 2007.
The film was nominated for two BAFTA Film Awards in 2008.
It has been noted as a case of Hollywood accounting, because Warner Bros.
claimed the film lost $167 million, despite its total grosses.Read more