Secrets Behind Beverly Hills 90210's Off-Screen Relationships If viewers thought the rivalry between Brenda and Kelly was intense, it was nothing compared to the behind-the-scenes feuding between Doherty and Garth, with Spelling often attempting (and failing) to play peace-maker. "They were like, 'Look, it's not working,' Swank said of the conversation she had with producers. We were close with Charlie My best friend was Charlie's roommate, Thiessen said at the time, noting that it was "a hard situation for everybody" involved. Why? Why did Jim and Cindy Walsh leave 90210? There were no more Walshes in the Walsh House. The source adds that the door is being left open for the actor to briefly appear in the fall to wrap up Ethan's story. The resident bad girl ( Tiffani Thiessen) who moved in with the Walsh trio once Brenda hit the bricks had a troubled past and proved it by causing problems whenever she could, well through season 9. She acts as if she's a nice girl who deserves everyone's pity and empathy when she wants to get her way, no matter what. scene soon after the noisy departure of Shannen Doherty, has given her notice. Many believe she was fired after season four because of this, but the thing that really got her kicked off was that she cut her hair halfway through shooting the season finale without telling anyone, thus throwing off the continuity of the episode. Valerie is the ultimate bad girl you should never trust, and becomes the new Brenda Walsh since her first appearance. 90210. Jessica Stroup, who played Erin Silver, said: "We had our two show creators leave, and when we had the new team come in, they wanted to switch things up and Dustin always had a bit of a he's a comedy guy. Valerie Malone. Mollin recalled. We know we always will. Swank signed on for two seasons of 90210 as single mother Carly Reynolds, but she was written off after only 16 episodes. Obviously we think about him every day, and its a huge loss for us and everybody out there, Spelling told Us in 2019.