Michael Clarke Duncan was hospitalized Friday morning and remains in the intensive care unit in a Los Angeles hospital after he went into cardiac arrest and his heart stopped.

The Green Mile star's girlfriend, Omarosa Stalloworth of The Apprentice fame, may have saved Michael Clarke Duncan's life, according to TMZ.

A quick-thinking Omarosa performed CPR and resuscitate boyfriend Michael Clarke Duncan when his heart stopped around 2 a.m. Friday, the gossip website reported.

Doctors were able to get Michael Clarke Duncan's heart rate stable and Omarosa is at the hospital by his size, TMZ reported.

Doctors are performing tests on the 54-year-old actor to find out why his heart stopped and he went into cardiac arrest, according to starpulse.com.

The Planet of the Apes actor is best known for his large size and his tall 6-foot-5 frame. Clarke Duncan has also appeared in Sin City, Daredevil and Green Lantern and is set to appear in the 2013 release Criminal Empire For Dummy's, according to the actor's IMDB page.

News of Michael Clarke Duncan's cardiac arrest spurred fans of the actor on Twitter to send him get well soon messages.

Thinking of u michael clarke duncan. #getwell soon, tweeted Bradley Miller.

Everyone say a prayer for Michael Clarke Duncan (big homie from the Green Mile,) wrote @OGdaArsonist.

everyone please pray for Michael Clarke Duncan who suffers cardiac arrest, tweeted Makayla Venable.

I wish Michael Clarke Duncan a speedy recovery. Fortunately for him, he had someone to administer CPR quickly when his heart stopped.., said @PJ4MJJ.

Hope Michael Clarke Duncan pulls through from this. Such a great actor, wrote Adam Watson.

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