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 Joanna Cassidy Margaret Chenowith Guest Star Robert Foxworth Dr. Bernard Chenowith Guest Star Veronica Hart Jean Louise McArthur Guest Star Sandra Oh Porn Starlet Guest Star Tim Maculan Father Jack Guest Star Cristine Rose Hannah Guest Star Jordan Ladd Ginnie Guest Star Dina Spybey-Waters Tracy Montrose Blair Guest Star David Norona Gary Deitman Guest Star Joyce Greenleaf Mrs. Murdoch Guest Star Terence Knox Larry Wadd Guest Star Jessica D. Stone Young Brenda Guest Star Alan Ball Executive Producer