Younger brother of actor Jerry O'Connell who appeared as The Bachelor in the seventh season of ABC's reality dating show.
He had a couple of minor film roles in Dude, Where's My Car? and The New Guy.
He landed a starring role on the 4th season of the sci-fi series Sliders as Colin Mallory.
His grandfather Charles S. Witkowski served as mayor of Jersey City. He He is married to actress Anna Sophia Berglund.
He appeared in two different episodes of the series Crossing Jordan, starring Jill Hennessy.