Entertainment July 15, 2024July 15, 2024admin James B. Sikking, ‘Hill Street Blues’ and ‘Doogie Howser, M.D.’ Actor, Dies at 90 This post was originally published on this site James B. Sikking has died at the age of 90. The actor was best known for his roles on ‘Hill Street Blues,’ ‘Doogie Howser, M.D.’ and the 1984 film ‘Star Trek III: The Search for Spock’.