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 Scott Cohen Det. Harry Denby Guest Star Sheeri Rappaport Officer Mary Franco Guest Star Austin Majors Theo Sipowicz Guest Star Michael Silver A.D.A. Leo Cohen Guest Star Darnell Williams Corey Guest Star Perry Moore Derrick Guest Star Scott Allan Campbell IAB Sgt. Jerry Martens Guest Star Gwynyth Walsh Dr. Timmons Guest Star James Luca McBride Officer Mike Shannon Guest Star Tom Cappadona Dwight Guest Star Debra Monk Katie Sipowicz Guest Star Kiva Dawson Beth Guest Star Darris Love Clem Guest Star Deon Gregory Lance Guest Star Steven Hack Phillip Guest Star Parker McKenna Posey Latanya Guest Star Michael Tinker Det. Taylor Guest Star Marjorie Johnson Bernice Callaway Guest Star Ray LaTulipe Josh Astrachan Guest Star Henry Murph N.D. Detective Harold Guest Star Cynthia Yantis Nurse Joyce Guest Star Joselyn Reyes Flores Guest Star Mark Tinker Executive Producer, Director Bill Clark Executive Producer Matt Olmstead Writer Jody Worth Writer