Helena Bonham Carter (HBC) CBE (born 26 May 1966) is an Oscar-nominated British actress. Bonham Carter made her first appearance on screen in the K.M. Peyton movie, "A Pattern of Roses", before appearing in her first starring role in "Lady Jane". She is known for playing Marla Singer in the movie "Fight Club", Bellatrix Lestrange in "Harry Potter and the Order of the Phoenix", and as Mrs. Lovett in "Sweeney Todd: The Demon Barber of Fleet Street".