Actor James Sikking, known for his work on 'Hill Street Blues' and 'Doogie Howser,' has died of complications of dementia, his publicist confirmed. He was 90.

James Sikking, an actor known for roles on TV shows “Doogie Howser, M.D.” and “Hill Street Blues,” has died. He was 90. Sikking died peacefully at his home in Los Angeles after suffering ...

James B. Sikking, known for his roles as Lt. Howard Hunter on “Hill Street Blues” and the titular character’s father on “Doogie Howser, M.D.,” has died. He was 90.

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.

Emmy nominee James B. Sikking, well-known for his work in "Hill Street Blues," has died from dementia-related complications, and Neil Patrick Harris honored the actor's memory on Instagram.

James B. Sikking has died at the age of 90 after a battle with dementia. The actor, who was well-known for appearing in shows such as Hill Street Blues and Doogie Howser, M.D, died "peacefully at ...

James B. Sikking, the prolific, Emmy-nominated actor known for his roles on Hill Street Blues and Doogie Howser, M.D., died July 13 of dementia. He was 90. Sikking died at his Los Angeles home ...

A previous version of this article incorrectly reported that Mr. Sikking died on Jan. 13. He died on July 13. The article has been corrected. James Sikking, an actor who played a hardened police l ...

Actor James Sikking, who had television roles on "Hill Street Blues" and "Doogie Howser, M.D." has died from complications from dementia. He was 90-years-old.

Sikking in 2011. James B. Sikking has died at the age of 90, PEOPLE confirms. According to his publicist, Cynthia Synder, the Hill Street Blues actor died "peacefully at his Los Angeles home ...

James B. Sikking, the veteran actor best known for playing Lt. Howard Hunter on the hit 1980s television series Hill Street Blues, has died. He was 90.