How weird is it that, out of Sacha Baron Cohen’s three trademark characters, Ali G is now the least famous of them all? With this past weekend’s strong “Brüno” opening, the UK-born and raised funnyman has once again fooled the world into believing that he is someone else. Where he goes from here is anyone’s guess, but as we play Monday-morning quarterback there is an even more pressing question: is Cohen the greatest cinematic "chameleon" of all time?
There are few things I love more in a movie than when an actor fully immerses himself in another persona. Sometimes it’s for comedy, sometimes it’s for drama... but whatever the performance is in the name of, when done right it can make that performer a legend. Below are my favorite "chameleon" actors of all time. Post your thoughts in the comments section and tell us where SBC ranks among these greats or any others. Read more...

