Gary Oldman Grades His 'Harry Potter' Performance as 'Mediocre,' Jokes About Hardest Scene to Film

Gary Oldman is looking back on his experience playing Sirius Black in the Harry Potter movies. The 64-year-old actor made his debut playing Harry Potter’s imprisoned godfather in 2004′s Prisoner of Azkaban and died on screen in 2007′s Order of the Phoenix before making a cameo in the final movie in 2011. Years after he [...]