Why Gary Oldman Feels His Portrayal of Sirius Black in 'Harry Potter' Is 'Mediocre'

Gary Oldman Craps On 'Harry Potter' Role, Says He'd Do It Differently Now

Gary Oldman Said His Acting In "Harry Potter" Was "Mediocre," And Honestly, I Agree With Him

Harry Potter fans notice 'hidden theme' in opening credits of every film