Who played Ethan Hunt in 'Mission: Impossible'?

Who played Harry Lime in 'Home Alone'? In which film is Harry Lime a character? Who played Daniel LaRusso in 'The Karate Kid'? Who played Mr. Miyagi in 'The Karate Kid'? Who played Rod Tidwell in 'Jerry Maguire'? Who played Charlie Babbitt in 'Rain Man'? Who played Raymond Babbitt in 'Rain Man'? In which film is Raymond Babbitt a character?