Michael Clarke Duncan, nominated for an Academy Award for his role in the 1999 film "The Green Mile," died Monday, Sept 3 morning at age 54, according to a representative for his family, CNN reports.

Duncan "suffered a myocardial infarction on July 13 and never fully recovered," a written statement from Joy Fehily said.

Clarke died at a Los Angeles hospital where he had been since having the heart attack more than seven weeks ago.

According to TMZ, it was Duncan's girlfriend Omarosa Manigault-Stallworth, a reality star and former contestant on "The Apprentice," who had acted quickly and provided lifesaving efforts when he had the heart attack.

A Chicago native, Duncan went to college at Alcorn State University in Mississippi with plans to major in communications, but he dropped out and moved home.

In his 20s, he worked digging ditches for Peoples Gas during the day and as a bouncer at night. He told CNN in 1999 that his coworkers at the gas company called him "Hollywood" because he'd often talk about becoming a movie star.

"I'd be digging a ditch and they'd say, 'Hey, man, Bruce Willis wants to talk to you about a movie.' And they'd just crack up laughing," he said while doing press for 'The Green Mile.'

"Those coworkers had no way of knowing how that joke would turn on them."

In 1990, he decided to measure up his nickname and he moved to Los Angeles. He worked as a bodyguard then got a part in a commercial as a drill sergeant.

More roles followed -- often ones that depended more on his 315-pound frame than his acting ability. He was a guard in "Back in Business," a bouncer in "A Night at the Roxbury," a bouncer for 2 Live Crew in "The Players Club," and a bouncer at a bar in the Warren Beatty film "Bulworth."

In 1998, he landed his first significant movie part, playing Bear in the film "Armageddon," which was the beginning of his friendship with Bruce Willis. They appeared in four films together. And it was Willis who called 'The Green Mile' director Frank Darabont to put in a good word for Duncan.