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 Rob Lowe Sen. Robert McCallister Guest Star Caroline Aaron Elise Guest Star Mark Harari Instructor Guest Star Jason Lewis Chad Barry Guest Star Rachel Montez Minor L.A. Babe Guest Star Paul Cassell Gary Morris Guest Star Ryan Michelle Bathe Noreen Guest Star Sophia Rachel Garcia Nicole Guest Star Susan Santiago Vanessa Guest Star Sulekha Naidu Hostess Guest Star Jim Anzie Waiter Guest Star Robert Michael Morris Lawrence Magill Guest Star Christian Keyes Bouncer Guest Star Chris Flanders Reporter Guest Star Roxy Olin Michelle Guest Star Ken Olin Executive Producer Jon Robin Baitz Executive Producer Marti Noxon Executive Producer Monica Owusu-Breen Writer Alison Schapker Writer Sandy Smolan Director