In one scene Joan Manion (played by
Joan Leslie) is asked by Fred Atwell - a.k.a. Fred Burton (played by
Fred Astaire) if her boss, Mr. Harriman (played by
Robert Benchley), has ever proposed marriage to her: She replies that he has attempted to numerous times, but keeps getting side-tracked by discussions of such things as the "sex life of polyps". In 1928 in one of Robert Benchley's earliest films he played a "Doctor Benchley" in the film "
The Sex Life of the Polyp (1928)" where he lectures Women's Clubs on this interesting creature that can change its sex.