Kaj-Erik Eriksen (pronounced "Kai-Erik") is a Canadian actor. Over a career spanning four decades, he transitioned from a prominent child star to a versatile television staple across the United States and Canada. He is most widely recognized for playing Michael Chiklis's son, David Scali, on the hit 1990s police drama The Commish and Danny Farrell on the sci-fi thriller series The 4400.