The actor's other credits include 'General Hospital,' 'Little House on the Prairie' and 'Star Trek III: The Search for Spock' Beck Starr/FilmMagic James B. Sikking in 2011. James B. Sikking has ...

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.

Sikking was born March 5, 1934, in Los Angeles and graduated from UCLA in 1959. He married Florine Caplan, with whom he had two children and four grandchildren.

Sikking is survived by his wife of 61 years, Florine, his son Andrew, daughter Dr. Emily Sikking (Mallory ‘Chip’ Milam), and four grandchildren. ABC Photo Archives/Disney General Entertainment ...

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. Sikking died Saturday ...

James B. Sikking, the Steven Bochco favorite who portrayed the no-nonsense Lt. Howard Hunter on Hill Street Blues and the good-hearted doctor dad on Doogie Howser, M.D., has died. He was 90 ...

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 ...

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 surrounded by family." ...

He married Florine Caplan, with whom he had two children and four grandchildren. Sikking had all but retired by the time the box set of “Hill Street Blues” came out.

He married Florine Caplan, with whom he had two children and four grandchildren. Sikking had all but retired by the time the box set of “Hill Street Blues” came out.