David Milch Creator, Executive Producer, Writer Steven Bochco Creator, Executive Producer David Caruso Detective John Kelly Actor Dennis Franz Det. Sgt. Andy Sipowicz Actor James McDaniel Lt. Arthur Fancy Actor Sherry Stringfield Laura Michaels Kelly Actor Amy Brenneman Janice Licalsi Actor Nicholas Turturro Detective James Martinez Actor Mark Blum Dr. Roland Sachs Guest Star Dana Andersen Kathy Cahill Guest Star James Handy Borough Commander Haverill Guest Star Gail O'Grady Donna Abandando Guest Star Gordon Clapp Det. Greg Medavoy Guest Star Maxine Stuart Catherine Kelly Guest Star Vincent Guastaferro Sgt. Vincent Agostini Guest Star Larry Romano Richie Catena Guest Star John Fiore Jerry Fumento Guest Star Robert O'Reilly Calvin James , Carl Shivers Guest Star Tom Towles Inspector Anthony Lastarza Guest Star Markus Redmond P.O. Lucas Guest Star Lynne Griffin Janice Bowman Guest Star Jack McGee Fort Lee Sergeant Guest Star Anthony Powers Tommy Linardi Guest Star John M. Bennett Robert Bowman Guest Star Carl Gabriel Yorke Detective Sherman Guest Star Windland Smith Sharon Hobbs Guest Star Susan Rome Karen Guest Star Lauren Weinger Tina Sachs Guest Star Sean Moran Drunk Guest Star Kenny Gravino Kyle Guest Star Chuckie Gravino Kyle Guest Star Burton Armus Writer Eric Laneuville Director