Many characters have come and gone on Grey's Anatomy but the main doctors of Seattle's Grey-Sloan Memorial Hospital have remained, going into the show's 10th season and 200th episode on Oct. 10.
Grey's Anatomy creator Shonda Rhimes revealed that she wants Kate Walsh to return to Grey's Anatomy and reprise her role as Addison Shepard, ex-wife of Meredith's husband Derek Shepard.
