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 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 Steven Weber Graham Finch Guest Star Anderson Goncalves Private John Jimpson Guest Star Alan Toy Trent Guest Star Al Coronel Brad Guest Star Jim Jansen Governor Clay Adamson Guest Star Jon Robin Baitz Executive Producer Marti Noxon Executive Producer Laura Innes Director David Marshall Grant Writer Jason Wilborn Writer