I'm about to work on some. I guess Crudup as Manhattan and Morgan as The Comedian are the most anticipated before-and-after parts, right? I think they're the ones that will have the most extreme make-over for their parts.
Haley just needs a red wig (or something) and some tweeks to the face. Goode just needs blond hair, a suntan and a bulk-up. Wilson needs to gain a little weight and put on some glasses and maybe grow his hair out and grease it up. And Akerman doesn't really need anything, except maybe dyeing her hair.