It simply isn't fair, but some of our favorite rich and famous and beautiful celebrities are also secretly smart. You'd never know it from watching them crack silly jokes on TV, declare their love in passionate romantic scenes, jump from burning hot buildings, or rescue hostages in a movie, but certain famous people could've been successful in any number of other fields. Let us enlighten you. These are some of the most secretly smart celebrities in the world. Some are Harvard grads, some are Mensa members, some are doctors, and some are just really wicked smart.