Special Guest Stars Chris O'Donnell as Finn Dandridge Guest Stars Sara Ramírez as Dr. Calliope "Callie" Torres Steven W. Bailey as Joe Jeffrey Dean Morgan as Denny Duquette Jeff Perry as Thatcher Grey Mare Winningham as Susan Grey Mandy Siegfried as Molly Thompson Laurie Metcalf as Beatrice Carver Emilee Wallace as Amelia Carver Jusak Yang Bernhard as Seminar Teacher Harrison Knight as Andrew Willis Co Starring Soledad St. Hilaire as Lola Obie Sims as Neuro Fellow
