Special Guest Stars Kate Walsh as Dr. Addison Forbes Montgomery Guest Stars Jesse Williams as Dr. Jackson Avery Debbie Allen as Dr. Catherine Avery Aniela Gumbs as Zola Grey Shepherd Greg Germann as Dr. Tom Koracick Laura Niemi as Cynthia Audrey Moore as Susan Brittanie Sheree as Day Care Worker Co Starring Ryden Murphy as Scout Ryker Murphy as Scout Penelope Kapudija as Harriet Jaylon Louise Nesbitt as Sonata Darla Robinson as Protestor #1 Paul Guzman as Clerk Kendall Denise Clark as Matisse James Wong as Medical Examiner Maya Boudreau as Jessica