Portrayed by John J. York

Mac Scorpio, the Police Commissioner of Port Charles, husband of Felicia Jones, and father to her two girls, Maxie and Georgie. Also brother of former Police Commissioner, Robert Scorpio.

Mac leads the fight against crime in Port Charles and has a strong stand on organized crime. He has been waiting for the day to put Sonny Corinthos and Ric Lansing behind bars. He is hoping that with John Durant's help, that day will come soon.