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 Jayne Brook Dr. Meg Porter Guest Star Rebecca Lowman Nicole Tisch Guest Star Rome Shadanloo Sharbat Qalzai Guest Star David Sutcliffe Officer Kevin Nelson Guest Star Sarah Ripard Amina Guest Star Ludwig Manukian Idrees Guest Star Shonda Rhimes Executive Producer Betsy Beers Executive Producer Marti Noxon Executive Producer Mark Gordon Executive Producer Mark Tinker Executive Producer Craig Turk Writer Michael Pressman Director