Fifth film in the Harry Potter film franchise, based on the series of books written by J.K. Rowling, about a boy wizard and his friends at Hogwarts School of Witchcraft and Wizardry. Harry works with the Order of the Phoenix headed up by Dumbledore to try and prevent the return of Voldemort, despite obstruction by the new Defence against the Dark Arts teacher Dolores Umbridge and the Ministry of Magic. Released in 2007 and starring Daniel Radcliffe, Emma Watson, Rupert Grint, Imelda Staunton, Evanna Lynch, Robbie Coltrane and Helena Bonham Carter.