2 Former 'Grey's Anatomy' Stars Are Returning for Season 18 (& 4 Former Stars Already Returned!)

Kate Walsh as Dr. Addison Montgomery – APPEARING ON TONIGHT’S EPISODE!

For the first time since season 8, Kate Walsh (Dr. Addison Montgomery) returned to Grey’s! Kate‘s character first appeared at the end of season one. She also reprised the role on ABC’s Private Practice.

Now, on tonight’s May 5 episode, Kate will be back once again!