Conversation so far:
What was his resurgence or comeback role?
In 2004, Oldman returned to prominence when he landed a starring role in the Harry Potter film series, playing Harry Potter's godfather Sirius Black
Are there any other interesting aspects about the Gary Oldman article?
Oldman received strong reviews and earned his first Academy Award nomination and a BAFTA Award nomination
What role did Gary Oldman receive a BAFTA Award for?
for his portrayal of British spy George Smiley in Tinker Tailor Soldier Spy

Question: Did he ever have a starring role?
Self-contained rewrite: Did Gary Oldman ever have a starring role?