Kevin Spacey is arguably the greatest actor of his generation. He has won two Oscars (as of the year 2001) for his acting: the Best Actor award for American Beauty, and Best Supporting Actor for The Usual Suspects.
Other Kevin Spacey films include: LA Confidential, The Negotiator, Pay It Forward, The Ref, Midnight in the Garden of Good and Evil, Hurly Burly, A Time to Kill, Outbreak, Working Girl, and Swimming with Sharks.