The only thing I have seen him in was Serendipity where he played a supporting role as John Cusack's friend.
He was also in "Entourage" and "Ellen" the old sit-com of Ellen DeGeneres. Gossip (which I know cannot be trusted, but in his case is multitude) says that he is something of a ......... (fill in at your pleasure!).
P.S. Strangely enough he had less hair in "Ellen" in the mid 1990's. Wonder how that happened!!