Over the years, Michael has appeared as an extra in dozens of films, commercials and television shows. He concentrates on writing, but he does work as an actor occasionally. In 1995, he had a starring role as a doomed car salesman in the student film, Holding On. Two years later, he appeared as a rogue CIA operative in the action film Midnight Conflict. He also wrote and directed the film. In 1998, Dunn wrote the screenplay for the upcoming film, The Violator. He has been involved with several other productions that were filmed in Orlando, Florida. He recently worked on the upcoming Adam Sandler feature film, The Water Boy.