David Milch Creator Steven Bochco Creator, Executive Producer Dennis Franz Det. Sgt. Andy Sipowicz Actor Ricky Schroder Det. Danny Sorenson Actor James McDaniel Lt. Arthur Fancy Actor Kim Delaney Diane Russell Actor Gordon Clapp Det. Greg Medavoy Actor Bill Brochtrup John Irvin Actor Henry Simmons Det. Baldwin Jones Actor Garcelle Beauvais-Nilon A.D.A. Valerie Heywood Actor Eric Balfour Eli Beardsley Guest Star John F. O'Donohue Det. Eddie Gibson Guest Star Scott Allan Campbell IAB Sgt. Jerry Martens Guest Star Corey Mendell Parker Assada Burke Guest Star James Harper Tommy Reedle Guest Star Michael O'Neill Capt. Chuck Dowling Guest Star DeLauné Michel Capt. Chuck Dowling Guest Star Yannis Bogris Jake Clancey Guest Star Zack Johnson Mitch Allred Guest Star Timothy Omundson Seth Werna Guest Star Charlotte Ross Det. Connie McDowell Actor Patricia Harty Beth Beardsley Guest Star Michael Pasternak Pete Vitello Guest Star Christopher Boyer Ernie Guest Star Brett Gilbert Darnell Cole Guest Star Christopher Breslin Uniform Guest Star Mark Tinker Executive Producer Bill Clark Executive Producer, Writer Victor Bumbalo Writer Matt Olmstead Writer Nicholas Wootton Writer Michael W. Watkins Director