It's possible that:
* The name is misspelled: Double check the spelling to see if you have the correct name.
* They are not a public figure: They may be working in the industry but not in a role that receives public attention.
* They work behind the scenes: They may have worked on projects in a technical or support role that doesn't credit them on screen.
To find more information, you might try:
* Searching for a different spelling or variations of the name.
* Looking for information on specific projects they might have worked on.
* Checking industry databases like IMDb or other film websites.