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 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 Michele Greene Governor Eve Kern Guest Star Denis O'Hare Travis March Guest Star Amy Aquino Dr. Joan Avadon Guest Star Peter Gerety Dennis York Guest Star Angela Sargeant Gladys Guest Star Dustin Cyril Robles Man Guest Star Jennifer Weston Nurse Jennifer Murphy Guest Star Stella Stahl Senator's Aide Guest Star Ken Olin Executive Producer, Director Jon Robin Baitz Executive Producer Marti Noxon Executive Producer David Marshall Grant Writer Cliff Olin Writer