Many of you may know him for his liberal documentary, Fahrenheit 9-11, a critical look into the Bush administration's actions in the wake of the attack.
Now Michael Moore's hitting the red carpet again, this time, talking health care. His newest documentary, Sicko debuted in Washington last night.
It follows ordinary Americans struggling to navigate the health care system. He's supporting universal health care and attacking pharmaceutical and insurance industries.
He says he's hoping the movie will shape the 2008 presidential debate.