And you thought your job was bad! For this list, well be looking at films that pushed their stars to the brink for a variety of reasons, prompting them to consider leaving the productionor show business altogether. Our countdown includes Robin Hood, Resident Evil, The Fast and the Furious, The Hobbit: An Unexpected Journey, Batman, and more! Which tough film production is the last one that youd want to be a part of? Let us know in the comments.Watch more great movie videos here: Top 20 Greatest Movies Of All Time: