Hawaii Five-O, and Columbo. He also had a recurring role as Dr. James Hobart in General Hospital from 1973 to 1976. Sikking would land his most memorable part in the 1980s when he joined Hill ...

(AP) — James Sikking, who starred as a hardened police lieutenant on “Hill Street Blues” and as the titular character’s kindhearted dad on “Doogie Howser, M.D.,” has died at 90.