An actor for a Show Within a Show researches the role of a special profession by shadowing his Real Life counterpart. The counterpart is often annoyed at the presence of the actor, whom he feels is getting in the way of his work. Expect This Is Reality Lampshading when the shadow realizes that the real job isn't like it is in the movies. Sometimes ends with a promise to change the movie's script to better reflect reality. Less frequently, the shadow is a writer or a director. Examples of Tag-Along Actor include: