David Milch Creator Steven Bochco Creator, Executive Producer 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 John F. O'Donohue Det. Eddie Gibson Guest Star Josh Zuckerman James 'Swirly' Kilik Guest Star Casey Siemaszko IAB Captain Pat Fraker Guest Star Cheryl White Delia Irvin Guest Star George Cheung Mr. Quon Guest Star Peter White Mr. Irvin Guest Star Elizabeth Sung Mrs. Quon Guest Star Ken Garito Lenny Gano Guest Star Roxanne Day Josie Toms Guest Star Susan Chuang Lily Chang Guest Star Jake Richardson Travis Guest Star Jeff Chase Ray Morrison Guest Star Erin Quill Wan-Mei Quon Guest Star Roy Lee Jones Gerald Hawkins Guest Star Henry Murph Hank Guest Star James Eugene Davis Uniform 2 Guest Star Mark Tinker Executive Producer Bill Clark Executive Producer, Writer Jody Worth Writer Steven DePaul Director