Steven Bochco Creator, Executive Producer David Milch Creator Dennis Franz Det. Sgt. Andy Sipowicz Actor Mark-Paul Gosselaar Det. John Clark, Jr. Actor Gordon Clapp Det. Greg Medavoy Actor Charlotte Ross Det. Connie McDowell Actor Henry Simmons Det. Baldwin Jones Actor Bill Brochtrup John Irvin Actor Garcelle Beauvais-Nilon A.D.A. Valerie Heywood Actor Esai Morales Lt. Tony Rodriguez Actor Jacqueline Obradors Det. Rita Ortiz Actor Isabella Hofmann Dr. Wachtel Guest Star Susan Egan Jennifer Martin Guest Star Casey Siemaszko IAB Captain Pat Fraker Guest Star Paul Perri Jim Stancil Guest Star James Keane Noel Thomas Guest Star Kieran Mulroney Andrew Sloin Guest Star Stan Cahill Asst. Dist. Atty. Don Harrison Guest Star Wendy Braun Marjorie Rookard Guest Star Ivar Brogger David Hyatt Guest Star Dendrie Taylor Mrs. Stancil Guest Star Burke Roberts Sonny Wood Guest Star Jf Pryor Luke Larson Guest Star Joe Sabatino Uniform 1 Guest Star Gerard O'Donnell Det. Tim Young Guest Star Larry Udy Victor Razo Guest Star Kira Reed Lorsch Gloria Simmons Guest Star Mark Tinker Executive Producer Bill Clark Executive Producer, Writer Nicholas Wootton Writer Craig Zisk Director