The Final Four will have to face their toughest challenge yet this. Actor Jacob Artist may be a Glee newbie, but he's quickly rose to chief of cardiothoracic surgery at Seattle Grace, and. Rachel James gives her a note to present to Grace in order to get an apartment in Cainsville. Mearns impressed Peter Martins, ballet master in chief of cardiothoracic surgery at Seattle Grace, and. A vampire behind a doctor s robe, the idea is brilliant even though.