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 Joanna Cassidy Margaret Chenowith Guest Star Robert Foxworth Dr. Bernard Chenowith Guest Star Ed O'Ross Nikolai Guest Star Kellie Waymire Melissa Guest Star Aysia Polk Taylor Guest Star Marina Black Parker McKenna Guest Star James Morrison Swinger Husband Guest Star Kim Myers Dr. Michaelson Guest Star Victor McCay Claire's Teacher Guest Star Nicki Micheaux Karla Guest Star Ben Lin Benjamin Srisal Guest Star June Kyoko Lu Bette Srisal Guest Star Art Chudabala Phil Srisal Guest Star Beverly Leech Mavis Spencer Guest Star Scott Hoxby Male Coke User Guest Star Anita Finlay Female Coke User Guest Star Shawn Huang Thai Boy Guest Star Jenna Boyd 7-Year-Old Girl Guest Star Paul Butcher 5-Year-Old Boy Guest Star Gretchen Storms Teenager Guest Star Alan Ball Executive Producer