According to the dialogue, the composite picture of Dawn Glory that Marion Davies impersonates -- which we never see -- is made up of features from Greta Garbo, Kay Francis, Marlene Dietrich, and Jean Harlow.
The second of three films Marion Davies starred in with Patsy Kelly. The first was Au pays du rêve (1933), in which Kelly made her feature film debut.
When the two rival yeast company presidents are loudly arguing, Click Wiley (Pat O'Brien), on the telephone, wisecracks, "Will you get Weber and Fields out of here?" The reference is to a German vaudeville comedy team of Joe Weber and Lew Fields that was very popular. Ironically, one of the arguing men is Al Shean, who, a few decades earlier, was half of the vaudeville team of Gallagher and Shean, Weber and Fields' rivals.
Warner Bros. bought the film rights for the Broadway play specifically for Marion Davies, paying $72,500.