Daniel J. Travanti Frank Furillo Actor Michael Conrad Phil Esterhaus Actor Michael Warren Bobby Hill Actor Bruce Weitz Mick Belker Actor James B. Sikking Howard Hunter Actor Barbara Bosson Fay Furillo Actor Joe Spano Henry Goldblume Actor Taurean Blacque Neal Washington Actor Kiel Martin Johnny "J.D." LaRue Actor René Enríquez Ray Calletano Actor Betty Thomas Lucille Bates Actor Ed Marinaro Joe Coffey Actor Charlie Haid Andy Renko Actor Veronica Hamel Joyce Davenport Actor Dennis Franz Sal Benedetto Guest Star Jonathan Banks Reggie Guest Star Michael Lerner Rollie Simone Guest Star Kathleen Lloyd Linda Wulfawitz Guest Star Jon Cypher Fletcher Daniels Guest Star Leonard Stone Mo "Mouse" Feldstein Guest Star George Innes James Willett Frame Guest Star Marion Kodama Yue Colette Guest Star