Dave Annable Justin Walker Actor Maxwell Perry Cotton Cooper Whedon Actor Kerris Dorsey Paige Actor Sally Field Nora Holden Actor Calista Flockhart Kitty Walker Actor Balthazar Getty Thomas Walker Actor Rachel Griffiths Sarah Walker Actor Luke Grimes Ryan Lafferty Actor Luke Macfarlane Scotty Wandell Actor Rob Lowe Sen. Robert McCallister Actor Matthew Rhys Kevin Walker Actor Ron Rifkin Saul Holden Actor Emily VanCamp Rebecca Harper Actor Patricia Wettig Holly Harper Actor Marion Ross Ida Holden Guest Star Gilles Marini Luc Laurent Guest Star Justin Henry Dr. Lewis Guest Star Bre Blair Ms. Nadine Guest Star Kathe E. Mazur Ann Waterman Guest Star Allison Weintraub Alison Guest Star John Aylward Joe Rawling Guest Star Ken Olin Executive Producer Jon Robin Baitz Executive Producer Marti Noxon Executive Producer Michael Foley Writer Jason Wilborn Writer Michael Morris Director