Mayo Methot not listed in credits

Mayo Methot plays Mrs.Semple, the wife of the man who would inherit the fortune if Deeds is found incompetent. Her role and that of Mr. Semple are pivotal but neither are credited on IMDB.

If you look up Mayo Methot's personal biography on IMDB she is listed as an uncredited cast member in "Mr. Deeds". But she is not listed under the movie title as a cast member.

Mayo Methot is famous for being the wife of Humphrey Bogart at the time he met Lauren Bacall.