AnnaLynne McCord
In 2008, McCord was cast in the series "90210" as Naomi Clark. Throughout the show, McCord's character vies for social power and love. McCord was nominated for multiple awards for her work in the role, winning the "Hollywood Life" Young Hollywood Superstar of Tomorrow in 2009, and a nomination for a Teen Choice Award for "Breakthrough Standout Performance" in 2010.
90210 (season 5)
On May 22, 2012, Gillian Zinser's exit from the series was announced on TV Line. However, it was reported that Zinser will make guest appearances, although it's unclear for how many episodes. In spite of that news she never guest starred in the final season.
On June 22, 2012, Riley Smith's casting as a romantic interest for Annie was announced. Arielle Kebbel is due back for at least a few episodes and Josh Zuckerman, who plays Max, is returning in a recurring role. Trevor Donovan will return in a recurring role as Teddy Montgomery for at least the three episodes of the season, including the 100th episode.
On July 6, 2012, Justin Deeley's exit from the show was announced after he was written out of the season premiere, although a rep says the "door is still open for him to reappear in future episodes." Adam Gregory reprises his role of Ty Collins in the special "what if" episode set to air in late January marking his comeback to the show after four seasons.
On July 9, 2012, it was announced that Carly Rae Jepsen would guest star as herself in the season premiere.
On July 11, 2012, Wes Brown and Trai Byers were announced to play the roles of Taylor, a club promoter, and Alec, Max's business partner, both in recurring roles. On July 18, 2012 Lori Loughlin was announced to return as Debbie Wilson for the season premiere. On August 1, 2012, it was announced that Lindsey McKeon would play Suzanne in a recurring role, as well as rapper Sam Adams to guest star as himself in an October episode. Jessica Parker Kennedy was cast in the recurring role of Megan, "a girl next door who tells her story in group therapy." On August 3, 2012, it was announced Jason Thompson would guest star as Eugene Thompsen. On August 14, 2012, it was announced that Olympics swimmer Ryan Lochte would guest star as himself. On August 22, 2012, it was revealed that Carmen Electra would appear as a recurring guest star, in an episode set to air in November, and will return again in the 100th episode later on in the season.
On August 23, 2012, E! Online reported that Nelly Furtado would be make a guest appearance as herself. It was also reported that she would be performing a new song from her upcoming album. On August 24, 2012, it was announced that Denise Richards would have a cameo in the 100th episode as wealthy socialite Gwen. On 8 September 2012, Zap2it announced that Amber Stevens would guest star as Bryce, an attractive and highly intelligent applicant to work at Max's company. Stevens will make her debut in November. On September 12, 2012, it was revealed that R&B singer Ne-Yo would guest star as himself in an episode scheduled to air in November.
On September 17, 2012, it was revealed that former "Parks and Recreation's" star, Natalie Morales, would play Ashley - a woman who heads up a professional security detail - in a recurring role. She will make her on-screen debut in episode 7.
On September 21, 2012, founder and editor-in-chief of JustJared.com, Jared Eng, was announced to have a cameo appearance as himself in an episode due to air in November. On September 25, 2012, TV Guide revealed that British singer Taio Cruz would guest star as himself in the 100th episode due to air in November.
On October 4, 2012, TVLine announced that Canadian cult-fave group, Tegan and Sara, would guest stars as themselves in an festive episode due to air in December. On October 6, 2012, Perez Hilton revealed that British pop star Rita Ora would be appearing as herself in an episode due in air in January 2013. On October 15, it was announced that Zachary Ray Sherman and Abbie Cobb will come back for the 100th episode and reprise their role of Jasper and Emily, respectively. This also marks Jasper's comeback after disappearing since the season 2 finale. On October 29, 2012, it was revealed that Glee star Grant Gustin would play Campbell, a charming and good-looking college student from a wealthy and privileged background and would appear in multiple episodes. On November 12, 2012, it was announced that Joey McIntyre from New Kids on the Block, would guest star in an episode due to air in February 2013, playing an up-and-coming music manager who had some business with Dixon. On November 13, 2012, it was announced that Lyndon Smith would play Michaela, a "free-spirited" and incredibly talented singer who has a connection to one of the regular characters, in a recurring role for six to nine episodes.