Billy Finnigan: Billy Finnigan. Actor: ER. Billy Finnigan was born on 17 August 1982 in Philadelphia, Pennsylvania, USA. He is an actor, known for ER (1994), Rizzoli & Isles (2010) and Justified (2010).
Known For: ER (Salter), Rizzoli & Isles (Ray), Justified (Max), Annapolis (Kevin)