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 Christopher Lowell William "Dell" Parker Actor Taye Diggs Dr. Sam Bennett Actor Amy Brenneman Dr. Violet Turner Actor Brian Benben Dr. Sheldon Wallace Guest Star Caterina Scorsone Dr. Amelia Shepherd Guest Star Tracee Ellis Ross Dr. Ellen Sicher Guest Star Caroline Aaron Stephanie Gibson Guest Star Frances Fisher Ruby Broome Guest Star John Cothran Judge Albert Longmuir Guest Star Shonda Rhimes Executive Producer Betsy Beers Executive Producer Marti Noxon Executive Producer Mark Gordon Executive Producer Mark Tinker Executive Producer Jon Cowan Executive Producer Robert Rovner Executive Producer Elizabeth Klaviter Writer Sonay Washington Writer Eric Stoltz Director