Calista Flockhart Kitty Walker Actor Rachel Griffiths Sarah Walker Actor Sally Field Nora Holden Actor Ron Rifkin Saul Holden Actor Patricia Wettig Holly Harper Actor Balthazar Getty Thomas Walker Actor Dave Annable Justin Walker Actor Matthew Rhys Kevin Walker Actor John Pyper-Ferguson Joe Whedon Actor Sarah Jane Morris Julia Walker Actor Kerris Dorsey Paige Actor Maxwell Perry Cotton Cooper Whedon Actor Rob Lowe Sen. Robert McCallister Actor Emily VanCamp Rebecca Harper Actor Tom Skerritt William Walker Guest Star Luke Macfarlane Scotty Wandell Guest Star Michael Adler Doug Manning Guest Star Michael O'Keefe Wally Wandell Guest Star Jayne Brook Bertha Wandell Guest Star Parvesh Cheena Jordan Guest Star Ken Olin Executive Producer, Director Jon Robin Baitz Executive Producer Marti Noxon Executive Producer Greg Berlanti Writer Monica Owusu-Breen Writer Alison Schapker Writer