Is there a role for Anarchists in the OWS movement?

Dennis Trainor, documentary filmmaker & was w/October2011 DC joins Thom Hartmann. From its beginning - the Occupy Movement has preached non-violence in it's demonstrations and protests. But now - splinter cells of the movement are popping up - using violence to send their message. Is there a role for anarchists in the movement to re-build the American economy?