Have you ever made a mistake? Of course you have. Now, imagine this one mistake (assuming it's just the one) haunts you for the rest of your life. That might be the case, depending on what you did, but it's unlikely that, outside of a few people in your circle of friends, many know of your error. The same cannot be said about these famous actors who made some equally big mistakes when it came to turning down a role. They could always argue that the movies they opted not to be in wouldn't be the same if they were...