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 Patricia Clarkson Sarah O'Connor Guest Star Harriet Sansom Harris Catherine Collins Guest Star Ed O'Ross Nikolai Guest Star Julie White Mitzi Dalton Huntley Guest Star Justina Machado Vanessa Diaz Guest Star Adam Scott Ben Cooper Guest Star Graham Jarvis Bobo Guest Star Aysia Polk Taylor Guest Star Paul Terrell Clayton Eddie Guest Star Steve Ryan Matthew Heath Collins Guest Star Ricardo Antonio Chavira Ramon Guest Star Gwendolyn Whiteside Woman on Boat Guest Star Erik Stolhanske Man on Boat Guest Star Leonard Kelly-Young Inspector Guest Star Joshua Preven Massage Client Guest Star Alan Ball Executive Producer