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 Lili Taylor Lisa Kimmel Fisher Guest Star Rainn Wilson Arthur Martin Guest Star Catherine O'Hara Carol Ward Guest Star Ben Foster Russell Corwin Guest Star Jeremy Sisto Billy Chenowith Guest Star Kathy Bates Bettina Guest Star, Director Justina Machado Vanessa Diaz Guest Star Peter Macdissi Olivier Castro-Staal Guest Star Myndy Crist Dana Guest Star James Cromwell George Sibley Guest Star Arye Gross Frank Muehler Guest Star David Hornsby Patrick Guest Star Alan Ball Executive Producer