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 James Cromwell George Sibley Actor Justina Machado Vanessa Diaz Actor Patricia Clarkson Guest Star Jeremy Sisto Billy Chenowith Guest Star Kathy Bates Guest Star Tina Holmes Maggie Sibley Guest Star Anne Ramsay Guest Star Lee Garlington Guest Star Brett Paesel Guest Star Susie Bright Guest Star Melissa Marsala Guest Star C.J. Sanders Guest Star Kendre Berry Guest Star Meagen Fay Guest Star Jayma Mays Guest Star Christine Tucci Guest Star Abby Brammell Guest Star Kevin Rankin Guest Star Merle Perkins Guest Star Andi Chapman Guest Star Robert Pine Guest Star Cullen Douglas Guest Star Janis Jones Guest Star Alan Ball Executive Producer