Who played Lester Burnham in 'American Beauty'?

Who played Harry Stamper in 'Armageddon'? Who played Malcolm Crowe in 'The Sixth Sense'? In which film is Malcolm Crowe a character? Who played Cole Sear in 'The Sixth Sense'? Who played Frank Slade in 'Scent of a Woman'? Who played Vincent Hanna in 'Heat'? In which film is Vincent Hanna a character? Who played Neil McCauley in 'Heat'?