Patrick Dempsey's 'Grey's Anatomy' Cast Didn't Know Much About His Exit

Patrick Dempsey checks messages on his phone while taking a walk in the neighborhood on Thursday (May 14) in Los Angeles. This was the first time that the 49-year-old actor has been spotted since his Grey’s Anatomy exit. PHOTOS: Check out the latest pics of Patrick Dempsey Patrick‘s former co-star James Pickens Jr. (Dr. Richard