Isabel Randolph plays Mrs. Abigail Uppington, a character with the same name and general mannerisms as the character she famously played on radio on the Fibber McGee and Molly program. She played 'Uppy' regularly through seven seasons of the radio show, departing when when the program began its eighth season in 1943. A year later, she played a variation of Uppington in this film.
Ernest is playing the 1927 Martin 000-45 owned by Jimmie Rodgers and given to Ernest by Jimmie's widow.