It's possible:
* The name is misspelled. There could be a similar-sounding name with an actor attached to it.
* The person is not publicly known. There are many actors, especially those starting out, who may not have a significant online presence.
* The person is not an actor. They may have a different profession, and their name is not associated with the entertainment industry.
If you have more information about this person, such as a specific project they might have been in, it might be easier to find more details.