It's possible that:
* She may not have acted professionally.
* Her name may be spelled differently.
* She may have used a different professional name.
To find information about a specific person in the entertainment industry, it's best to use reputable sources like:
* IMDb: This is a popular database for actors, movies, and television shows.
* The Internet Movie Database (IMDb): This is a comprehensive resource for information about actors and their work.
* Wikipedia: If someone has a substantial presence in the entertainment industry, they might have a Wikipedia page.
If you can provide more details about Hilary Bamberger (like her full name, any other projects she may be known for, or a time period she may have been active in), I can try to help you find more information.