Peter Krause Nate Fisher Jr. Actor Rachel Griffiths Brenda Chenowith 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 Richard Jenkins Nathaniel Fisher Sr. Guest Star Eric Balfour Claire's Meth Date Guest Star Gary Hershberger Kroehner Representative Guest Star Dina Spybey-Waters Chatty Mourner Guest Star Sharon Madden Woman Mourner Guest Star Hayden Tank Young Nate Guest Star Maximillian Orion Kesmodel Young David Guest Star Dennis Anderson Market Clerk Guest Star Harper Roisman Elderly Man Guest Star Dennis J. Lau Morgue Attendant Guest Star Jennifer Griffin Crying Sicilian Daughter Guest Star Alan Ball Executive Producer