Beloved actor James B. Sikking, known for his roles as Lt. Howard Hunter on “Hill Street Blues” and Dr. David Howser on “Doogie Howser, M.D.,” has passed away at the age of 90. He died on Saturday due to complications from dementia, according to his publicist Cynthia Snyder. Throughout his illustrious six-decade career, Sikking captivated audiences with his diverse performances in television, film, and stage. He garnered critical acclaim for his portrayal of Lt. Howard Hunter on “Hill Street Blues,” earning an Emmy nomination in 1984. Following the success of the series, he went on to play the role of Dr. David Howser on “Doogie Howser, M.D.” for four seasons. Sikking's talent also shone on the big screen, with notable roles in films like “Star Trek III: The Search for Spock” and “The Pelican Brief.” Born in Los Angeles, he leaves behind a legacy of outstanding performances and is survived by his wife, children, and grandchildren.