Kate Walsh to Return to ‘Grey’s Anatomy’ for Season 18
video shared to the “Grey’s Anatomy” social media pages, saying she is “so excited to be home again joining Shonda [Rhimes, executive producer], Ellen [Pompeo, star and producer] and the rest of the incredible cast this season.”Walsh will appear in multiple episodes of the upcoming season, though further specifics regarding her appearance are being kept under wraps.Walsh memorably first appeared as Addison Montgomery, husband to Patrick Dempsey’s Derek Shepherd, in the Season 1 finale in a scene that would become one of “Grey’s Anatomy’s” most memorable cliffhangers.