It's possible that:
* The name is misspelled: Double check the spelling and try searching again.
* The person is less known: They might have had smaller roles in lesser-known productions.
* They are not a professional actor/filmmaker: Maybe the name belongs to someone in a different field entirely.
To help me find information, please provide more details about Carl Bensen, such as:
* Any additional information about him: Do you know his approximate age, any other professions he may have, or any specific projects he might have been involved in?
* The source of this name: Where did you hear or see this name? Was it a movie credit, an online database, or something else?
With more context, I can try to identify the person you're looking for and provide information about their film and television work.