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 Justine Bateman Sydney Harris Guest Star Currie Graham Ryan Mason Guest Star French Stewart Kevin Mason Guest Star Shane Johnson Dave Walker Guest Star Katie Lowes Kira Guest Star Stephen Lunsford Fillmore 'Dink' Davis Guest Star Porter Kelly Sharon Guest Star Jensen Leflore Josh Guest Star Darryl Stephens Jane Finch Guest Star Ajay Vidure Dr. Singh Guest Star Shonda Rhimes Executive Producer Betsy Beers Executive Producer Mark Gordon Executive Producer Mark Tinker Executive Producer, Director Craig Turk Executive Producer Steve Blackman Executive Producer Sonay Washington Writer