Movie Trailers - Movies Blog Before Robert Pattinson was turned into “Twilight” vampire Edward Cullen, he made a brief stopover in a different book-based movie franchise with a cult-like following. He spent almost a year as Cedric Diggory, filming “Harry Potter and the Order of the Phoenix” alongside Daniel Radcliffe and Emma Watson, and that was quite enough time at Hogwarts for him. As RPatt…