Was considered for the role of Kevin in The Mighty (1998) but Harvey Weinstein of Miramax decided that Ian was too young and overruled the director's request to use him. He later went on to land a similar role as the lead in Simon Birch (1998).
His father's name is Steve Smith.
Attending Massachussetts Institute of Technology
Is currently enrolled as an undergraduate at MIT.
Spoke at the National Organization for Rare Disorders (NORD) annual conference in Washington, DC in 2001.