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 Josh Hopkins Dr. Noah Barnes Guest Star Amanda Detmer Morgan Gellman Guest Star Idina Menzel Lisa King Guest Star DB Woodside Duncan Guest Star Carrie Preston Yvonne Pierce Guest Star Wendy Gazelle Corinne Lee Guest Star Juliette Goglia Sarah Pierce Guest Star Max Burkholder Ben King Guest Star Marty Lodge Harold Guest Star Rafael J. Noble Judge Guest Star Bevin Hamilton Hot Sketchy Girl 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 Eric Stoltz Director