All six cast members from the previous season returned, along with Denise Richards joining the cast in a regular capacity. Grammer returned once again as a friend of the housewives. Vanderpump last appeared in the final episode of the season. On June 4, 2019, Vanderpump announced that she would not attend the ninth season reunion, stating: "The objective of the reunion is to reunite, right? And I have no inclination to reunite with the women who've been harassing me for 10 months now." Following this, Variety announced that she would not return to the series.
