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* The actress is relatively unknown: She may have appeared in smaller projects or have a different stage name.
* The actress is not yet active: She may be starting her career or working on projects not yet released.
To get more accurate information, you can try:
* Searching for "Anna Bjorn" with specific details: Include any known details like her nationality, age, or the type of roles she plays.
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* Consulting movie databases: Websites like IMDb or FilmAffinity may have a list of actors with similar names.
Please provide more information if you have it, so I can assist you better.