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, where his publicist Cynthia Snyder tells Deadline that the actor was surrounded by family in his final moments.

“In a remarkable career, Sikking’s wonderfully exciting face gave us drama, comedy, tragedy and hilarious farse. His career spanned over six decades in television, film and on stage,” said Snyder in a statement, adding: “His talent, integrity and imagination intrigued and delighted audiences.”

Sikking earned an Emmy nom in 1984 for playing the gung-ho S.W.A.T. leader Lt. Howard Hunter on Hill Street Blues during the show’s full 1981-87 run and co-starred as the title character’s father Dr. David Howser on Doogie Howser, M.D. from 1989-93. He also was a regular on Brooklyn South in 1997-98 appeared on such shows as Rawhide,...