Robert Pattinson. The British leading man was still a few years away from his Twilight fame when he appeared as Cedric Diggory in the film adaptation of Harry Potter and the Goblet of Fire.
Robert Pattinson was 17 years old when he played the role of Cedric Diggory in the fourth Harry Potter film, "Harry Potter and the Goblet of Fire," which was released in 2005. Prior to his role in ...