Guest Stars Sara Ramírez as Dr. Calliope "Callie" Torres Jeffrey Dean Morgan as Denny Duquette Sarah Utterback as Nurse Olivia Harper Cress Williams as Tucker Jones Matt Roth as Michael Beglighter Ann Cusack as Amy Polus Noah Gray-Cabey as Shawn Beglighter Mark Harelik as Keith Polus Jonathan Slavin as Rick Beglighter Co Starring Ray Ford as Paramedic Ray Sutera Jeremy Rabb as Resident Cathy Lind Hayes as Nurse Debbie