Detective Nick Falco is a fictional character on the NBC crime drama Law & Order, portrayed by Michael Imperioli. Falco appears as the junior partner of Det. Joe Fontana at the end of season 15 after Fontana's partner, Ed Green (Jesse L. Martin), was shot in the line of duty. He first appeared as Joe Fontana's partner in the last four episodes of the show's 15th season while Martin took time off to film the movie Rent. Falco would later be the focus of the season 16 episode "Hindsight" when he is accused of murdering a woman.