* A relatively new or lesser-known actress: There are many talented actors who haven't yet gained widespread recognition.
* An actor using a stage name: It's possible she's using a pseudonym.
* Misspelled name: Perhaps the name you're looking for is slightly different.
To find more information, you could:
* Check online film databases: Search for "Petronella Ford" on sites like IMDb, Rotten Tomatoes, or The Movie Database.
* Look for interviews or articles: If she has appeared in any notable projects, there might be information about her in interviews or articles online.
If you can provide any additional details about her, such as her age, nationality, or any specific films or TV shows she might have been in, it would be easier to find information about her.