Who won the Oscar for Best Actor for 'Philadelphia'?

For which film did Jeremy Irons win the Oscar for Best Actor? Who won the Oscar for Best Actor for 'The Silence of the Lambs'? Who won the Oscar for Best Actor for 'Scent of a Woman'? For which film did Al Pacino win the Oscar for Best Actor? Who won the Oscar for Best Actor for 'Leaving Las Vegas'? For which film did Nicolas Cage win the Oscar for Best Actor? Who won the Oscar for Best Actor for 'Shine'? For which film did Geoffrey Rush win the Oscar for Best Actor?