Star Michael Clarke Duncan Rushed to Hospital

Michael Clarke Duncan, best known for his performance in "The Green Mile," is in a Los Angeles Hospital having suffered cardiac arrest early Friday morning.

He might have died had his girlfriend Omarosa Stallworth not been there when the actor went into cardiac arrest. She performed CPR on Duncan, 54, until the paramedics arrived. Stallworth is known for her appearances on "The Apprentice."

According to the Hollywood Reporter, Ducan's heart is stable and his doctors are trying to determine what caused the episode.