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 Chandra Wilson Dr. Miranda Bailey Actor, Director 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 Kevin McKidd Owen Hunt Actor Jessica Capshaw Dr. Arizona Robbins Actor Kim Raver Teddy Altman Guest Star Diane Venora Guest Star Dennis Boutsikaris Guest Star Jesse Williams Jackson Avery Guest Star Jason George Guest Star Moon Unit Zappa Guest Star Geoffrey Blake Guest Star Roshwan Franklin Guest Star Elizabeth Ho Guest Star Shonda Rhimes Executive Producer Mark Gordon Executive Producer Betsy Beers Executive Producer James D. Parriott Executive Producer Debora Cahn Writer