Michael Clarke Duncan was in a film.
Michael Clarke Duncan ( December 10 , 1957September 3 , 2012 ) was an American actor , best known for his breakout role as John Coffey in The Green Mile ( 1999 ) , for which he was nominated for the Academy Award for Best Supporting Actor and various similar honors . The Green Mile is a 1999 American fantasy crime drama film written and directed by Frank Darabont and adapted from the 1996 Stephen King novel of the same name . The film was nominated for four Academy Awards : Best Picture , Best Supporting Actor for Michael Clarke Duncan , Best Sound Mixing , and Best Adapted Screenplay .