Acting is like any other career or talent. If you have a gift for acting, then you start by researching different acting schools that can get you in the door to sharpening your talent. A lot of these are in New York, Los Angeles, France and Britain. You can find an agent when you have gone through your acting classes. You should also join the actors union. Yes, there is an actor's union as there is a writer's union. You want to always protect yourself. If you are in school, you may want to join the theatre club or theatre class. In college, you would choose fine arts as your major and get involved with the college's theatre organizations on campus.