It's possible that:
* The name is misspelled. Try searching for a different spelling.
* The person is not publicly known. They may be a local actor or work behind the scenes.
* The information is incorrect. There might be a misunderstanding or mistake in the information you received.
Could you please provide more information about Bartlett Mullins or the context where you heard this name? This will help me understand better and potentially find more relevant information.