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 Rob Lowe Sen. Robert McCallister Actor Sarah Jane Morris Julia Walker Actor Matthew Rhys Kevin Walker Actor Ron Rifkin Saul Holden Actor Emily VanCamp Rebecca Harper Actor Patricia Wettig Holly Harper Actor Ken Olin David Caplan Guest Star, Executive Producer Danny Glover Isaac Marshall Guest Star Luke Macfarlane Scotty Wandell Guest Star Emily Rose Lena Branigan Guest Star Denis O'Hare Travis March Guest Star Garry Marshall Major Jack Wiener Guest Star Chevy Chase Stan Harris Guest Star Steven Anderson Officiant Guest Star Justine Dorsey Sophie McCallister Guest Star Max Burkholder Jack McCallister Guest Star Alejandro Cardenas Waiter Guest Star Cassius M. Willis Secret Service Agent Guest Star Jon Robin Baitz Executive Producer Marti Noxon Executive Producer Alison Schapker Writer Monica Owusu-Breen Writer Mark B. Perry Writer Robert Lieberman Director