It's possible that:
* The name is misspelled: Perhaps the name is slightly different, and you're looking for a different person.
* The person is not well-known: They might be a lesser-known actor, writer, or crew member whose work isn't widely documented online.
* The information is not readily available: It could be that their film or TV work is not publicly available on the internet.
To get more information, you could try:
* Searching for a slightly different spelling of the name.
* Using more specific search terms, such as "Janet Hannington actor" or "Janet Hannington filmmaker."
* Checking online databases of film and television professionals.
If you have any additional information about Janet Hannington (like a specific film or show they might have been involved in), that could help with the search.