Michael Clarke Duncan's cause of death has been revealed.
The Oscar nominee passed away on September 3, several weeks after he suffered a severe heart attack from which he did not recover.
The LA County coroner previously confirmed that Duncan died of natural causes, but a more concrete cause has been released in his death certificate.
Duncan apparently suffered from respiratory failure and a heart attack amongst a variety of other ailments.
An irregular heartbeat and sarcoidosis were also contributing factors to his death, according to TMZ.
A public memorial for Duncan was held on Sunday (September 9) at Forest Lawn cemetery in the Hollywood Hills. Duncan's family held a private funeral on Monday (September 10).
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Tom Hanks, Olivia Munn, Gary Sinise, Robert Rodriguez, Sherri Shepherd and Roger Ebert were among passed away in the hours after his passing.
Duncan was 54 years old at the time of his death. He is survived by partner Omarosa Manigault-Stallworth.
Movies: Michael Clarke Duncan: Career in pictures
Justin is a freelance entertainment journalist and writer. He first joined Digital Spy as a freelance entertainment reporter in 2010 and also worked as a sub-editor for the brand, serving as Night News Editor from 2016 to 2024. Over more than a decade, Justin has covered numerous major entertainment events from the US and has interviewed a wide-ranging group of public figures, from comedian Steve Coogan to icons from the Star Trek universe, cast members from the Marvel Cinematic Universe and reality stars from numerous Real Housewives cities and the Below Deck franchise. Justin has also been on the ground to cover major pop culture events like the Star Wars Celebration and the D23 Expo. He's written for titles across the Hearst network, plus the likes of CBR and Us Weekly.
