Michael Clarke Duncan, the hulking, prolific character actor whose dozens of films included an Oscar-nominated performance as a death row inmate in "The Green Mile" and such other box office hits as "Armageddon," "Planet of the Apes" and "Kung Fu Panda," is dead at age 54.
Clarke died Monday morning at Cedars-Sinai Medical Center in Los Angeles, where he was being treated for a heart attack, said his fiancée, Reverend Omarosa Manigault, in a statement released by publicist Joy Fehily.
Michael Clarke Duncan had a health scare on Friday morning.
The actor was rushed to the hospital for a heart attack, his spokesperson confirms to PEOPLE." According to doctors, Duncan suffered a myocardial infarction," his rep says. "He was last reported in stable condition and was looking forward to his full recovery."