Who hasn't heard the infamous rumor about Richard Gere and the gerbil? Is it true that Michael Jackson sleeps in a hyperbaric chamber? Did Tom Cruise really use sperm

Typecasting is an actor's worst nightmare. The last thing a professional wants to happen is getting pigeonholed into the same role time after time following a breakthrough performance. Usually this happens at the beginning of a career, such as the case of Bob Denver. Denver was Gilligan for the rest of his career and essentially the rest his life.