Ellen Pompeo Dr. Meredith Grey Actor Patrick Dempsey Dr. Derek Shepherd Actor Sandra Oh Dr. Cristina Yang Actor Katherine Heigl Dr. Izzie Stevens Actor Justin Chambers Dr. Alex Karev Actor T.R. Knight Dr. George O'Malley Actor Chandra Wilson Dr. Miranda Bailey Actor James Pickens Jr. Dr. Richard Webber Actor Sara Ramirez Dr. Callie Torres Actor Eric Dane Dr. Mark Sloan Actor Chyler Leigh Dr. Lexie Grey Actor Brooke Smith Dr. Erica Hahn Actor Jeff Perry Guest Star Kali Rocha Guest Star DB Woodside Guest Star Lauren Stamile Guest Star Madeline Zima Guest Star Brooke Nevin Guest Star Stephen Sowan Guest Star Monica Herman Guest Star Ray Ford Guest Star Courtney Hope Guest Star Julia Ling Guest Star Meghan Lynch Guest Star Mark Saul Guest Star Molly Kidder Guest Star Laura Chinn Guest Star Joseph Williamson Guest Star Amrapali Ambegaokar Guest Star Shonda Rhimes Executive Producer Mark Gordon Executive Producer Betsy Beers Executive Producer James D. Parriott Executive Producer Mark Wilding Writer Rob Corn Director