
Joey Marion McCreery Lewyn (April 8, 1902–May 1, 1989), known professionally as Marion Mack, was an American film actress and screenwriter. Mack is best known for co-starring with Buster Keaton in the 1926 silent comedy film, The General. After retiring from acting in 1928, she wrote several short screenplays and took up a career in real estate.
Biography from Wikipedia, CC BY-SA. Credits and photos from TMDB.
The titles people know Marion from.

as Well-Wisher at Train Station (uncredited)
as Annabelle Lee

as Mary
The people who keep turning up in Marion’s titles.