No photoActingAndrew HallidayAndrew Halliday is an actor.Known forBlue Bloods2010CRIMELaw & Order: Criminal Intent2001DRAMAGossip Girl2007DRAMAElementary2012DRAMAFull filmographyBlue Bloods2010CRIMELaw & Order: Criminal Intent2001DRAMAGossip Girl2007DRAMAElementary2012DRAMA