Jamie Campbell Bower (born 22 November 1988) is an English (England) actor who is best known for his role as Anthony Hope in Tim Burtons Sweeney Todd: The Demon Barber of Fleet Street (Sweeney Todd: The Demon Barber of Fleet Street (2007 film)) and his role of Caius in The Twilight Saga: New Moon. He is set to appear as Gellert Grindelwald in Harry Potter and the Deathly Hallows.