The Heartbreak Kid
Afterimage
Anybody who denies Nicholson's acting ability is a fucking cock jockey. He is one of the greatest actors to have ever lived. With that said, I don't know if he could have captured the Joker as Ledger did. Obviously not now, he's too old, but I'm not quite sure even in his younger days. That is not to say by any means that Heath Ledger was a better actor (which is by no means true), but I think that this particular performance and interpretation would be nearly impossible to top, for me personally.
This.