Poll: Favourite Oscar-Nominated Actor to Appear in a Batman Film?

Maybe this is a Batman/superhero poll that will not be dominated by Heath Ledger, given his competition with Jack Nicholson, Christopher Walken, Michelle Pfeiffer, Nicole Kidman, Michael Caine, Gary Oldman and Morgan Freeman, but I have been wrong before. Let it begin! Discuss here: http://www.imdb.com/board/bd0000088/nest/226401693