Career
Aside from this, he has made small appearances in most of Smith's films, either as his Clerks character Dante Hicks or one of Dante's cousins. O'Halloran appeared as a character in the Kevin Smith biopic Shooting Clerks. He was portrayed by English actor Kit Alexander.
O'Halloran was born in Manhattan, New York City, and lived in Old Bridge Township, New Jersey since the age of 13. His father died when O'Halloran was 15 years old. O'Halloran is the lead actor in Vulgar (2000), an obscure movie about a small town clown who is traumatized after he is attacked during one of his performances.
He has worked on theatre productions since high school. He has said on the subject of doing theatre:
Since Clerks, O'Halloran has primarily been a stage actor, working with the Boomerang Theatre Company, the New Jersey Repertory Company and the Tri-State Actors Theatre, among others. He is currently a resident of Staten Island.