Underused comic genius: Kevin Kline. Check out "A Midsummer Night's Dream"!

Different kind of comic genius who's almost always in bad, bad movies: Robin Williams. (Of course, there _was_ "Aladdin.")

Genius dramatic actress, underused and misused: Julianne Moore ("Far from Heaven.")

Greatest still-active screen actors (used a lot, fortunately): Robert Duval and Robert DiNiro. Underused? John Hurt.

Two "dramatic" stars who are wasted in drama but great in comedy: George "O Brother...," "Intolerable Cruelty" Clooney, Armand "Fatal Instinct" Asante.