Which actress played the older Iris Murdoch in the 2001 film "Iris"?

In which 2001 film do Kurt Russell and Kevin Costner dress as Elvis to rob a Las Vegas casino? In which 2001 film does a boy ask, "Excuse me, sir, can you tell me where I might find platform nine and three-quarters… In the 2001 film "The Fellowship of the Ring", who says, "Go back, Sam. I'm going to Mordor alone"? "Good evening, Clarice" is a line from which 2001 thriller? Lincoln Center's long-running summer music festival, launched in 1966, was called "Mostly" which composer? John Leguizamo played which painter in the 2001 musical film "Moulin Rouge!"? Which 2001 Tom Cruise film ends with the line "Open your eyes"? In which 2001 comedy does Ben Stiller play a male supermodel on the downside of his career?