you often need crowd people for the background (extras) don't have to be active porn performer at all especially not if the scene they are visible in isn't explicit can be casted from any Hollywood agency not even with adult production affiliation.
but when she is so often in those productions there must be also some reason, maybe affiliation a friend of someone in the industry.
another master problem faces like her you will see in a lot of productions you would hardly be able to tell if she ever was active.
she could also be for example from a agency and like to be on set or translating
only your senses could maybe see something familiar you watched before but even that musnt be 100% correct and our mind like AI sees and is susceptible for illusions and then hallucinations.
See my recent crazy experience
Especially low quality input material ID is always complex