It's possible that:
* He is a lesser-known actor with limited credits. Many actors work on smaller projects or have roles that haven't garnered widespread attention.
* His name is spelled differently or he uses a stage name. Searching with variations of his name might be helpful.
* He is not an actor but works in a related field. He might be a screenwriter, director, or producer.
If you have more information, such as a specific movie or TV show he may have been in, or a website where he has a profile, it would be easier to find his credits.