Earlier this week, The CW released this promotional picture of the 90210 regular cast. From left to right: Dustin Milligan, AnnaLynne McCord, Jessica Walter, Shenae Grimes, Tristan Wilds, Lori Loughlin, Ryan Eggold, Jessica Stroup and Michael Steger.

If you've been keeping up with information about the spin-off, you know that there is someone missing from that picture. No, it's not Jennie Garth or Tori Spelling since they will be recurring/guest stars. But it's the actor who'll play the pivotal character of Harry Mills, a father who relocates his family in Beverly Hills to take care of his mother.

The Beverly Hills 90210 spin off was looking for an actress in her 60's who could play an actress and alcoholic. Who better for the role than Arrested Development's Jessica Walter? After all, she is an actress and her AD role of Lucille Bluth required that she pretends to be drinking/drunk in a lot of episodes!

TV Guide and Entertainment Weekly confirmed earlier today that the actress was cast in the lead role of Tabitha Mills, an actress who had her career prime in the 70s and who is now best friends with a liquor bottle. Worried about his mother's well-being, her son Harry moves his family to Beverly Hills.