Oscar-winning actor Gary Oldman was introduced to many audiences worldwide with his role as the wizard Sirius Black in the hit Harry Potter film franchise. Fans may love Oldman for his work in this role, but the British actor had a tough time coming to appreciate it.
Oldman first entered the Harry Potter universe in 2004's Harry Potter and the Prisoner of Azkaban and was a central figure in subsequent movies Harry Potter and the Goblet of Fire and Harry Potter and the Order of the Phoenix.