Mandy Moore “Grey’s Anatomy” Season Finale Guest Appearance

Mandy Moore is checking into Seattle Grace, TVGuide.com reported Friday. The 25-year-old singer-actress has been tapped to appear as a patient on the two-hour season finale of ABC’s medical drama Grey’s Anatomy. Mandy will play Mary, an ill young woman being treated by Chandra Wilson’s Dr. Bailey, on the May 20 finale.