Kate Walsh Dr. Addison Montgomery Actor Tim Daly Dr. Pete Wilder Actor Audra McDonald Dr. Naomi Bennett Actor Paul Adelstein Dr. Cooper Freedman Actor Kadee Strickland Dr. Charlotte King Actor Brian Benben Dr. Sheldon Wallace Actor Caterina Scorsone Dr. Amelia Shepherd Actor Taye Diggs Dr. Sam Bennett Actor Amy Brenneman Dr. Violet Turner Actor Michael Patrick Thornton Dr. Gabriel Fife Guest Star David Eigenberg Frank Guest Star Amy Pietz Isabelle Guest Star Sydney Tamiia Poitier Michelle Guest Star Shonda Rhimes Executive Producer Betsy Beers Executive Producer Mark Gordon Executive Producer Mark Tinker Executive Producer Craig Turk Executive Producer Steve Blackman Executive Producer Moira McMahon Writer Ann Kindberg Director