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 Jeremy Sisto Billy Chenowith Actor Ed O'Ross Nikolai Guest Star Joanna Cassidy Margaret Chenowith Guest Star Robert Foxworth Dr. Bernard Chenowith Guest Star Illeana Douglas Angela Guest Star Eric Balfour Gabe Dimas Guest Star Dina Spybey-Waters Tracy Montrose Blair Guest Star Jed Allan Dr. Gareth Feinberg Guest Star John Billingsley Boring Man Guest Star Timm Sharp Andy Guest Star Wendy Schaal Vickie Dimas Guest Star Lisa K. Wyatt Pam, Kroehner Mortician Guest Star Irina Maleeva Irina Guest Star Tate Taylor Job Applicant 1 Guest Star Scott Alan Smith Job Applicant 2 Guest Star Alan Ball Executive Producer Bruce Eric Kaplan Writer Kathy Bates Director