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 J. Rene Pena Gladys Guest Star Angela Pierce Monica Guest Star Hailey Sole Betsey Guest Star Benjamin Bryan Kenny Guest Star Rupak Ginn Steven Stone Guest Star Mei Melancon Elena Stone Guest Star Romy Rosemont Jackie 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 Barbie Kligman Writer Tom Verica Director