Special Guest Stars Chris O'Donnell as Finn Dandridge Guest Stars Sara Ramírez as Dr. Calliope "Callie" Torres Steven W. Bailey as Joe Brooke Smith as Dr. Erica Hahn Jeffrey Dean Morgan as Denny Duquette Robin Pearson Rose as Patricia Murphy Ken Marino as Brad Ackles Sydney Tamiia Poitier as Deborah Fleiss Jesse Head as Will Michael Arden as Neal Hannigan Michael Milhoan as Doug Thomas Co Starring Kate Mines as Nurse Gloria Kathleen M. Darcy as Anesthesiologist Jeremy Rabb as Resident David Paluck as Surgeon #2 Keith Sellon-Wright as Surgeon #1 Toby Meuli as Chaz Carmen Mormino as Monnie Patti Tippo as Cindy Thomas