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I made some comments about grammatical things I thought would be appropriate. The first one, under "Early Life" when you say Breuil was involved with something of a scandal, maybe change the wording or explain the scandal.
The second one I made was in "After Vitagraph" I think the wording free lancer should be changed to free lance worker or self employed.
In the first line you say nom de plume, I wasn't sure what that meant, so I was thinking you could make nom de plume a link to the wikipedia definition of that phrase if there is one.
Lastly, which I'm sure you're aware of, you have a "Filmography" section with no information under.
This was very well written though and nicely done, much better than my sandbox submission as I have no idea how to write in code to make it look like yours does!