Neil Patrick Harris is mourning the death of actor James "Jim" Sikking, who starred as his father on Doogie Howser, M.D. "A true professional," he continued. "He treated everyone with respect, taught ...

Doogie Howser is a doctor. He is also a 16-year-old genius who graduated college at age 10 and finished medical school at age 14. But he is still a teenager, with normal teenage friends and problems.

Actor James B. Sikking, best known for roles in the TV shows “Hill Street Blues” and “Doogie Howser, M.D.” has died at the age of 90.Video above: Remembering those we've lost in 2024Sikking died of ...

Want to know where to watch Doogie Howser M.D. Season 2 online? We have all the streaming details right here. Doogie Howser, M.D. (1989) follows the story of Dr. Doogie Howser, who is a young genius ...

Harris paid tribute to Sikking in a heartfelt post on Instagram Monday. ABC Photo Archives/Disney via Getty Images Neil Patrick Harris is mourning the loss of former co-star James B. Sikking who ...