Alexander Micheal Karev portrayed by Justin Chambers
George O'Malley
Portrayed by T.R. Knight
Miranda Bailey Portrayed by Chandra Wilson
Richard Webber Portrayed by James Pickens Jr.
Derek Shepherd Portrayed by Patrick Dempsey
Preston Burke Portrayed by Isaiah Washington
NOTE: when I introduce the cast each season I will only introduce the MAIN CAST for that season. there will be other doctors/personas that will come back frequently but in that season they are not part of the main cast!