Brian Geraghty was born in Toms River, New Jersey, USA. His birth name was Brian Timothy Geraghty.

Brian Geraghty appeared in the movie Bobby(2006), Conversations with Other Women(2005), Cruel World(2005), I Know Who Killed Me(2007), Jarhead(2005), The Guardian (2006/I)(1992), We Are Marshall(2006), When a Stranger Calls(2006)。