Brothers & Sisters is a drama from executive producers Ken Olin and Jon Robin Baitz.Summary of Brothers And Sisters Season 5:The LA based Walker family is an ordinary American family. The adult siblings Sarah Whedon Tommy Walker Kevin Walker Justin Walker and Kitty Walker try to live up to their parents'' expectations. Alongside their mother Nora Holden Nora''s brother Saul Holden Sarah''s husband Joe Whedon Tommy''s wife Julia Walker and mysterious Holly Harper the Walkers struggle through their everyday lives.The LA based Walker family is an ordinary American family. The adult siblings Sarah Whedon Tommy Walker Kevin Walker Justin Walker and Kitty Walker try to live up to their parents'' expectations. Alongside their mother Nora Holden Nora''s brother Saul Holden Sarah''s husband Joe Whedon Tommy''s wife Julia Walker and mysterious Holly Harper the Walkers struggle through their everyday lives.