33 Actors You Forgot Were On 'Grey's Anatomy'

Grey's Anatomy has become television's second-longest-running medical drama–eclipsed only by ER. Dozens of notable guest stars have passed through the doors of the Grey-Sloan Memorial Hospital a.k.a. Seattle Grace Memorial, some more memorable than others. You'll recognize some of these names—Christina Ricci, Faye Dunaway—from before their time on the show, while others—Millie Bobby Brown, Dylan Minnette—were only starting their climb to stardom. A few of these will be genuinely shocking but some are warm reminders. Let's take a look back at the faces who've come and gone.

By Amanda Mitchell