It is possible that:
* He is not a professional in the film industry. He may simply be an individual with a common name.
* He may work under a different name. There is a chance he uses a pseudonym or stage name.
* He may have worked on smaller, independent projects. His work might not be widely known or accessible through public databases.
To find more information, you could try:
* Searching online movie databases like IMDb or The Movie Database (TMDb) with a more specific search query, such as "Roy Datz" combined with keywords like "actor," "director," or "producer."
* Contacting film industry professionals or organizations in your area for assistance.
Without more information about Roy Datz, it is difficult to determine his involvement in any movie or television projects.