If you can provide any additional information about her, such as:
* Her full name: If you are sure of the spelling, it would help to know if it's "Caitlin Rose Williams" or a slight variation.
* A specific movie or TV show she's been in: This could help pinpoint her identity.
* Other details about her: Does she have a particular role or genre she is known for?
With more information, I can help you find her projects.