Hayes’s younger brother is a fellow actor and writer Scott MacArthur. MacArthur is 43 years old as of 2020, he was born on April 16, 1977, in Chicago, Illinois, the United States..
Hayes Macarthur Brother
His brother is actor and writer Scott MacArthur. Among his paternal great-great-uncles, his great-grandfather Alfred’s brothers, were playwright and screenwriter Charles.