It's hard to imagine, but the stars who have played some of the most iconic roles in the last decade or two weren't the first choice for the part!
Hollywood's finest turn down roles every day and so there are bound to be some box office smashes they missed out on.
Whether it was luck or fate - these are the actors who ended up being cast. But who could it have been?
See if you can guess the actors and actresses who just missed out on a role in these hit movies...