Helena Bonham Carter, CBE (born 26 May 1966) is an English actress. She made her acting debut in a television adaptation of K. M. Peyton's A Pattern of Roses before her debut film role as the titular character in Lady Jane. She is known for her roles in films, such as A Room with a View, Fight Club, The King's Speech, and playing Bellatrix Lestrange in the Harry Potter series. She frequently collaborates with her domestic partner, director Tim Burton, in films Planet of the Apes, Big Fish, Corpse Bride, Charlie and the Chocolate Factory, Sweeney Todd: The Demon Barber of Fleet Street, Alice in Wonderland, and Dark Shadows. In 2012, she played Miss Havisham in Great Expectations, and Madame Thénardier in Les Misérables.

A two-time Academy Award nominee for her performances as Kate Croy in The Wings of the Dove and as Queen Elizabeth The Queen Mother in The King's Speech, Bonham Carter's acting has been further recognised with seven Golden Globe nominations, an International Emmy Award for best actress, three Primetime Emmy Award nominations, a BAFTA Award, and a Screen Actors Guild Award. She was made a Commander of the Order of the British Empire (CBE) in the 2012 New Year honours list for services to drama, and received the honour from the Queen at Buckingham Palace on 22 February 2012.