Grey's Anatomy Exclusive: True Bloodstream Star Signs on as Alex's Competition

Grey's Anatomy's Alex is going to possess some competition. True Blood's Vedette Lim has signed on as Dr. Polly Preston, who gets to Dallas Sophistication having a child fellowship, TVGuide.com has learned solely. Arizona (Jessica Capshaw) will require a liking to Polly, a lot to ensure that she'll boot Alex (Justin Chambers) from her cases. Catch on instances of Grey's Anatomy by reading through our recaps Lim, who described Tara's lesbian lover around the 4th season from the Cinemax series, will first come in Episode 8. Grey's Anatomy airs Thursdays at 9/8c on ABC.