The dress that Mrs. Horton wears during her meeting with Judge Hardy and L.V's dress at the end of the movie can both be seen, in color, during the fashion show sequence in "The Women", also from 1939.
Maria Ouspenskaya was a talented Polish actress who trained in Warsaw as a young woman. She played older and wiser characters in her later years. She's best known as the perfectionist Russian ballet mistress in the re-make of "Waterloo Bridge" and the Roma fortune teller who counseled Lon Chaney, Jr. in "The Wolf Man."
Marie Blake, who plays Augusta McBride, starred as Grandmama in the series The Addams Family (1964).