Bill Murray as Batman?!

These casting choices almost happened, but the actors said "No." In some alternate reality, however, Chewie's best friend and the galaxy's favorite scruffy-looking nerf herder is played by Michael Corleone. And The Dark Knight is the greenskeeper from "Caddyshack." You just brainsploded a bit, right?!

We all know Will Smith turned down some major parts in his career, so here are 11 more actors you won't believe ed on iconic movie roles.