its sources remain unclear because it lacks inline citations. Please improve this article by introducing more precise citations where appropriate. (January 2010) Mary Astor (May 3, 1906 – September 25, 1987) was an American actress. Most remembered for her role as Brigid O'Shaughnessy in The Maltese Falcon (1941) with Humphrey Bogart, Astor began her long motion picture career as a teenager in the silent movies of the early 1920s..