Helena Bonham Carter will play Bellatrix Lestrange in the next Harry Potter film.
The Oscar nominee's new role is as Death Eater and madwoman Lestrange in Harry Potter and the Order of the Phoenix. Other well-known members of the cast include Ralph Fiennes, Michael Gambon and Gary Oldman, who will reprise his role as Sirius Black, godfather to Harry and cousin to Bellatrix.
Newcomers to the franchise include Imelda Staunton as Dolores Umbridge, Natalie Tena as Nymphadora Tonks, Kathyrn Hunter as Mrs Figg, Evanna Lynch as Luna Lovegood and George Harris as Kingsley Shacklebolt.
