What makes a movie star? Yes, if you appear in a movie, even for a few seconds, you can say you're a movie star to some extent. Then there are the actors and actresses who headline movies , where they are the main character of the story they're telling. Then, above those, are the stars who can demand that their names be as big or bigger than the actual movie title on the promotional poster. Then there are the movie stars. The ones that can bring a flock of fans to a movie theater at midnight to