Grey's Anatomy Cast sing "How to Save a Life" br Music Event S7E18 br br by Owen Hunt (Kevin McKidd), Meredith Grey (Ellen Pompeo), Teddy Altman (Kim Raver), Mark Sloan (Eric Dane), Arizona Robbins (Jessica Capshaw), Miranda Baley (Chandra Wilson), April Kepner (Sarah Draw), Lexie Grey (Chyler Leigh), Alex Karev (Justin Chambers), and Addison Montgomery (Kate Walsh) br br with the participation of Cristina Yang (Sandra Oh), Richard Webber (James Pickens Jr.