Could another hot doc be scrubbing in at Seattle Grace next season? Kevin McKidd, the Scottish actor who headlined last season's time-traveling drama Journeyman, is in serious talks to join the cast. He'd play an M.D. who comes to the hospital after a stint in Iraq. It's expected to be a long story arc for McKidd, who also played the soldier Lucius Vorenus in HBO's regrettably short-lived Rome.