This episode contains a scene in which Liza (Sutton Foster), Kelsey (Hilary Duff), and Diana (Miriam Shor) all sing Dolly Parton's song "9 to 5." Although their roles in Younger are not primarily musical, all three actresses have musical backgrounds. Hilary Duff was a teen idol who released several pop albums. Miriam Shor has appeared in many musicals, including the original stage production and movie adaptation of Hedwig and the Angry Inch. Sutton Foster is one of the preeminent Broadway leading ladies of her generation and has won two Tony Awards for Best Performance by a Leading Actress in a Musical.
A friend tells Charles "You can't be retiring in your 40s." But in reality, the actor who plays Charles (Peter Hermann) was 52 years old when this episode was shot.