The Joker stands as perhaps the most iconic villain in comic book history. And the same could be said for comic book movies. Now, 50 years after Cesar Romero brought his TV version of the character to the big screen in Batman: The Movie, we've seen many other incarnations. But there could've been more. There might have been different actors cast in the role if not for certain developments. Here are all the actors who were almost cast as the Joker.