Career
His junior club is Burwood United in the Balmain District Competition. O'Halloran's position of choice is as a centre although he has also played as a wing, a defensive second rower, and briefly played five eighth in the English Super league. O'Halloran made his NRL debut for Wests Tigers in 2001 and played 28 first grade games, mostly as a centre.
In 2004, O'Halloran moved to England, where he played in the Super League for London Broncos. O'Halloran returned to Australia from England and played for the Penrith Panthers in the NRL. He played in the USA international team having played one game in 2007.
