Michael Clarke Duncan, the towering actor best known for his Oscar-nominated performance in The Green Mile, died Monday morning. He was 54. Duncan had been hospitalized after suffering a heart attack on July 13. In addition to his memorable turn opposite Tom Hanks in the 1999 drama, Duncan starred in Armageddon, Sin City, and last season’s Fox drama series The Finder. According to IMDb, the actor has two more completed projects set for release: In the Hive and The Challenger.