Robert Cummings' last acting performance, as he retired after this appearance.
Nanette Fabray's character is pregnant, but she was 59 years old in real life.
Ethel Merman does not sing, even though there is a talent show.
In the scene where he confides in Isaac his relationship with his fictional father (Robert Cummings), it's likely that Fred Grandy's emotion is deeper and more genuine than usual; Fred lost his father at age 11, and his mum the following year.