Peter Krause Nate Fisher Jr. Actor Rachel Griffiths Brenda Chenowith Actor Richard Jenkins Nathaniel Fisher Sr. Actor Frances Conroy Ruth Fisher Actor Michael C. Hall David Fisher Actor Lauren Ambrose Claire Fisher Actor Freddy Rodríguez Federico Diaz Actor Mathew St. Patrick Keith Charles Actor James Cromwell George Sibley Actor Justina Machado Vanessa Diaz Actor Joanna Cassidy Margaret Chenowith Guest Star Tina Holmes Maggie Sibley Guest Star Cynthia Stevenson Guest Star Chris Messina Guest Star Stanley DeSantis Guest Star Elizabeth Ruscio Guest Star Lisa Banes Guest Star Rosalind Chao Guest Star Kendre Berry Guest Star C.J. Sanders Guest Star Christine Tucci Guest Star Abby Brammell Guest Star Kevin Rankin Guest Star Deborah Offner Guest Star Vanessa Marano Guest Star Nathan Norton Guest Star Audrey Wasilewski Guest Star Christopher Neiman Guest Star Mary-Joan Negro Guest Star René Ashton Guest Star Rod McCary Guest Star Ariel Rivera Guest Star Tony Cronin Guest Star Angelo Custino Guest Star Alan Ball Executive Producer