Verree Teasdale, who plays the mother of Jean Muir's character, is only eight years older than Jean.
According to a contemporary article in Film Daily, costume designer Orry-Kelly created twenty gowns for Jean Muir and seventeen for Verree Teasdale. Another article in The Hollywood Reporter noted the extensive wardrobe actually held up the start of production - along with the fact that George Brent was also working on another film at the time.
When Lois is at dinner with Russell's family, it is mentioned that she should join the "Patriotic Daughters" as a way to elevate herself into society. This is a reference to the real Daughters of the American Revolution, founded in 1890.
According to a contemporary article in The Hollywood Reporter, Barbara Leonard replaced Maxine Doyle in the role of Margaret.