Dorothy Short was married to Dave O'Brien (AKA David Barclay) from 1936 - 1954 and appeared with him in the notorious Reefer Madness (1936) (aka "Reefer Madness") as well as other Pete Smith shorts.
When the little girl is in the bathtub covered in bubble bath suds, the "Halloween" mask she is wearing is a caricature of Pete Smith, long time producer of the series.