Beloved actor James B. Sikking, known for iconic roles in "Hill Street Blues" and "Doogie Howser, M.D.," has passed away at 90 after battling dementia. His portrayal of Howard Hunter in "Hill Street Blues" remains a standout in television history, showcasing the complexity and vulnerability of a lonely character behind a tough exterior. Sikking's depth and humanity in portraying Hunter added a unique layer to the show's diverse characters. Steven Bochco, the producer of the acclaimed series, collaborated with Sikking again in "Doogie Howser, M.D.," where he played Dr. David Howser. Through his performances, Sikking left an indelible mark on the entertainment industry, with his ability to bring heartfelt sincerity and humor to his characters resonating with audiences for years to come. His legacy as a versatile and talented actor lives on in the hearts of his fans.