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 Leo Rossi Jon Gennaro Guest Star Robert Gray Mr. Smith Guest Star Margot Rose Katy Bambridge Guest Star Jon Cypher Fletcher Daniels Guest Star Michael Fairman Arnold Detweiler Guest Star Trinidad Silva Jesus Martinez Guest Star Floyd Levine Petowski Guest Star