Christine Baranski (Maryanne) & John Michael Higgins (Chip) also worked together on two episodes of The Good Wife (2009) as Diane Lockhart & ? respectively.
This episode marks the introduction of the character Holly, played by Jane Kaczmarek. She appeared in 5 episodes in total.
The office of the porn movie producer is clearly the set of Lou Grant's office from The Mary Tyler Moore Show (1970).
This is the first episode in the series to have a cold open that is not one of Cybill's acting gigs.
The adult film that Maryann and Cybill rent is called "The Last Picture Ho". Cybill Shepherd's first film role was in "The Last Picture Show."