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 Rainn Wilson Arthur Martin Guest Star Lili Taylor Lisa Kimmel Fisher Guest Star Jeremy Sisto Billy Chenowith Guest Star Joanna Cassidy Margaret Chenowith Guest Star Robert Foxworth Guest Star Ben Foster Russell Corwin Guest Star Justina Machado Vanessa Diaz Guest Star Matt Winston Guest Star David Hornsby Guest Star Timothy Landfield Guest Star Alan Ball Executive Producer