Mary McCormack Mary Shannon Actor Frederick Weller Marshall Mann Actor Nichole Hiltz Brandi Shannon Actor Paul Ben-Victor Stan McQueen Actor Todd Williams Bobby D Actor Joshua Malina Peter Alpert Guest Star Holly Maples Eleanor Prince Guest Star David Walton Willie Ripp , Willie Rabson Guest Star Christine Woods Gwen Jones , Gwen Jarvis Guest Star Cliff DeYoung Chief Inspector Malone Guest Star Morse Bicknell Officer Guest Star Steve Butler Slater Guest Star Casey Cerutti Cocktail Waitress Guest Star Steve Corona CSI Tech Guest Star Virginia Dobias Olivia Guest Star David Novak Billy Cooper Guest Star John Wylie Rollins Guest Star Dan Lerner Director John Mankiewicz Writer