Fame
Usually not, although you do have the chance to win some major awards for your work (not the least of which would be an Academy Award) and earn your moment in the spotlight that way. With more films making use of extensive, creative, or elaborate hair and makeup than in the olden days (thank you, Tim Burton), those individuals behind the scenes are getting more recognition than they used to.
We'll give you one guarantee—when you get on screen for your fifteen minutes, you're going to look good.