The diner where they find the victim's boyfriend is the same diner featured in "Goodfellas" where Jimmy Conway waits to find out if Tommy DeVito has become a made man.
Josh Pais (Noah Brezner) previously played the role of Ralph Friedman in episode 3.9, Happy Family (2003).
Chris Noth (Mike Logan) & Eric Bogosian (Danny Ross) also worked together on three episodes of The Good Wife (2009) and two episodes of Law & Order (1990).
Chris Noth (Mike Logan) & Zuzanna Szadkowski (Olga) also worked together on episode 7.17, Shoot (2016), of The Good Wife (2009), as Peter Florrick & Gloria Beattie respectively.