The show initially centered on new server Scheana and her relationships with established employees: Kristen Doute, Katie Maloney, Tom Sandoval, Stassi Schroeder and Jax Taylor.

The original cast consisted of Kristen Doute, Katie Maloney, Tom Sandoval, Stassi Schroeder, Scheana, Jax Taylor and Lisa Vanderpump, as series regulars, with Peter Madrigal, Tom Schwartz, Mike Shay, Laura-Leigh and Frank Herlihy, as recurring cast members.

Kristina Kelly and Ariana Madix were introduced as recurring cast members, and James Kennedy made guest appearances.

Stassi Schroeder (who had departed the show at the end of season three) and Brittany Cartwright made guest appearances.

Isaac Kappy and Tom Sandoval guest-starred this season with their band Charles McMansion, performing the song "T.I.P.".

Stassi Schroeder returned as a series regular, and Brittany Cartwright was introduced as a recurring cast member.

Beau Clark was introduced as a recurring cast member, and Kristina Kelly, Max Boyens, and Dayna Kathan made guest appearances.

Beau Clark was promoted from recurring cast member to series regular; Max Boyens, Brett Caprioni, and Dayna Kathan were introduced as series regulars; and Charli Burnett, Danica Dow, and Brett Willis are introduced as recurring cast members.

[24][25] On June 9, 2020, it was announced original cast members Kristen Doute and Stassi Schroeder had been fired following accusations by former co-star Faith Stowers.

Additionally, it was announced that Max Boyens and Brett Caprioni would not return for the ninth season in light of the resurfacing of past Twitter posts that included racist commentary.

[27] In December 2020, following the departures of several cast members, and due to challenges associated with COVID-19 pandemic mitigation efforts, production on season nine was put on hold 'indefinitely'.

[28] In April 2021, Dayna Kathan confirmed that she would not be returning for the ninth season, and suggested that production on the show was to resume in the near future.

Charli Burnett and Raquel Leviss were promoted to series regulars; Brock Davies was introduced added as a series regular; and Richardson Chery, Randall Emmett, Corey Loftus, and Max Todd were introduced as recurring cast members.

Former cast member Kristina Kelly returned in a supporting role, joined by Ally Lewber, the girlfriend of James Kennedy.

[47] On December 11, 2023, it was announced that the eleventh season would premiere on January 30, 2024, with Lisa Vanderpump, Tom Schwartz, Tom Sandoval, Ariana Madix, Katie Maloney, Scheana Shay, Lala Kent, James Kennedy and Ally Lewber all returning alongside Brock Davies in a recurring capacity.

Former cast members Jax Taylor, Billie Lee, Brittany Cartwright, Dayna Kathan, Kristina Kelly and Max Todd made guest appearances.

[54][55] A Burbank police log of the incident says he was arrested at 11:50pm and that a "Female stated her boyfriend lifted her up and threw her to the ground.

Since its premiere, the series has altered airing on Monday, Tuesday, and Wednesday evenings and has been frequently shifted between 8:00, 9:00, and 10:00 PM timeslots.