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 Rainn Wilson Arthur Martin Guest Star Lili Taylor Lisa Kimmel Fisher Guest Star Ben Foster Russell Corwin Guest Star James Cromwell George Sibley Guest Star Justina Machado Vanessa Diaz Guest Star Anne Dudek Guest Star Graham Beckel Guest Star David Hornsby Guest Star Tim Maculan Guest Star Melissa Marsala Guest Star Jim Beaver Guest Star David Carrera Guest Star Catherine Paolone Guest Star Elayn Taylor Guest Star K.T. Thangavelu Guest Star Gay Men's Chorus of Los Angeles Guest Star Alan Ball Executive Producer