James Michael Imperioli (born March 26, 1966) is an American actor, writer and director. He is best known for the role of Christopher Moltisanti in the HBO drama series "The Sopranos". The role earned him a Primetime Emmy Award for Outstanding Supporting Actor in a Drama Series in 2004. He has also had roles in movies and television shows such as "Goodfellas", "The Addiction", "The Lovely Bones", "Clockers", "Law & Order", "Californication" and "Hawaii Five-0".