James MacArthur was a talented actor best known for playing Danny “Danno” Williams in the TV series Hawaii Five-O. His famous catchphrase, “Book ‘em, Danno,” is still remembered today. But his life was much more than just one role. He acted in many movies, worked in theater, and came from a family of Hollywood legends. … Continue reading James MacArthur Age , Height , Career , Net Worth , Family , Bio