‘Grey’s Anatomy’ Cast for Season 20: 6 Stars Confirmed, 5 Others Expected to Return, 2 Actors’ Fates Unknown, 4 Stars Not Coming Back | Adelaide Kane, Alexis Floyd, Anthony Hill, Camilla Luddington, Caterina Scorsone, Chandra Wilson, Chris Carmack, EG, Ellen Pompeo, Extended, Greys Anatomy, Harry Shum Jr., Jake Borelli, James Pickens, Jr., Kelly McCreary, Kevin McKidd, Kim Raver, Midori Francis, Niko Terho, Scott Speedman, Slideshow | Just Jared: Celebrity News and Gossip | Entertainment