<Li> Akosua Busia as woman at boardinghouse </Li> <Li> Edward Walsh as Harley Tethune </Li> <Li> Allan Graf as Alvin </Li> <P> The script was an original by John Fusco, who had long been interested in blues music . He worked as a blues singer and musician but had been warned by a doctor to rest his voice . In 1981 his girlfriend, who was working at a rest home, told him that an old black man with a harmonica had been admitted . Fusco went to visit him and on the way dreamt up a story about what would happen if the player was a legendary blues player . This gave him the idea for the story . </P>

Who played the devil in the movie crossroads