James Metcalfe "Jamie" Campbell Bower (born 22 November 1988) is an English actor, singer, and model. He is best known for his roles as Anthony Hope in Sweeney Todd: The Demon Barber of Fleet Street, Caius in The Twilight Saga, King Arthur in the Starz series Camelot, the young Gellert Grindelwald in Harry Potter and the Deathly Hallows – Part 1, and Jace Wayland in The Mortal ... Show More