Kirstie Alley appears as herself in this episode, a client Carrie (Leah Remini) works for. Kirstie and Leah previously worked together on "Cheers" in 1991, and again in 1993 when Leah played Serafina, the daughter of Carla Maria Victoria Angelina Teresa Apollonia Lozupone Tortelli LeBec and Nick Tortelli, Carla's ex husband.
Actress, April Hong, the waitress in the Chinese restaurant, is the real-life daughter of the owner of the restaurant/ landlord of the building, legendary character actor/ voice over artist, James Hong.
At the time this aired, both Leah Remini and Kirstie Alley were Scientologists.
Doug claims the potato chip looks more like his Uncle Stu than it does Richard Nixon (as Arthur Spooner claims). Uncle Stu appeared in two episodes earlier in the series and was played by Gavin MacLeod.