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 Rosanna Arquette Corinne Davis Guest Star Sara Rue Shira Cole Guest Star Bruno Campos Dr. Scott Barker Guest Star GeffriMaya Maya Bennett Guest Star Stephen Lunsford Fillmore 'Dink' Davis Guest Star Eric K. George Matthew Guest Star Michael Patrick McGill Marshall Guest Star Danielle Hoetmer Jordana Guest Star Ellis Williams Father Dave Guest Star Cory Tucker Paramedic Guest Star Hart Donoghue Bartender 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 Craig Turk Writer Kenny Leon Director