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 John Pyper-Ferguson Joe Whedon Guest Star Denis O'Hare Travis March Guest Star Emily Rose Lena Branigan Guest Star Tom McGowan Luther Reeves Guest Star Tom Choi Steward Guest Star Sonya Leslie Private 1st Class Mandeville Guest Star Phill Lewis Dr. Peter Edwards Guest Star Ken Olin Executive Producer Jon Robin Baitz Executive Producer Marti Noxon Executive Producer David Marshall Grant Writer Molly Newman Writer Gloria Muzio Director