* The name is misspelled or slightly different. Double check the spelling to see if there's a variation.
* The person is not publicly known. They may have been in smaller projects or their work hasn't been widely publicized.
* The person has a different professional name. They may be known by a different stage name or alias.
To find more information, you could try:
* Searching for "Rosalyn Borden" with different spellings on IMDb, Rotten Tomatoes, or other movie databases.
* Looking for information on social media platforms like Twitter, Instagram, or Facebook.
* Searching for the name in news articles or online forums related to the entertainment industry.
Let me know if you have any other information about Rosalyn Borden that might help with the search.