James MacArthur, the actor who played Danny "Danno" Williams on Hawaii Five-O, has died at the age of 72. The cute, boyish actor was the son of Helen Hayes and playwright Charles MacArthur. He acted on Hawaii Five-O for 11 years of its 12-year run. He also made a number of movies including Swiss Family Robinson. He is survived by is wife, Helen Beth Duntz, four children and seven grandchildren. He was previously married to game show queen Joyce Bulifant and actress Melody Patterson.
