Detective Curtis says he is Peruvian on his mother's side. In real life, Benjamin Bratt's mother is in fact of Peruvian descent.
Actor Kirk Acevedo (Richie Morales) has appeared in multiple series in the L&O universe, once again carrying on the tradition of guest actors' playing multiple characters. In addition to playing Richie Morales here, he has played three different characters on "New York Undercover (1994)" and two different characters on "Law & Order: Special Victims Unit (1999)." He is best known in the L&O universe for his role on "Law & Order: Trial by Jury (2005)" as D.A. Investigator Hector Salazar. Jerry Orbach, after departing "Law & Order," reprised his role as Lennie Briscoe on Trial By Jury. Briscoe, after retiring from the NYPD, became a D.A. investigator and Salazar's partner. However, Orbach passed away suddenly and only appeared in two episodes of Trial By Jury.
This episode appears to be based on two separate incidents of corruption within the NYPD including:
- The 1967-1972 thefts of heroin from the Department Property Clerk's office of the New York City Police Department (NYPD).
- Revelations of corruption within the NYPD made by Frank Serpico and David Durk, and the subsequent 1971 Mollen and 1992 Knapp Commissions.
Michael Medeiros has portrayed six different characters over the course of the series:
- Episode 4.20 Nurture (1994) - Detective Harding.
- Episode 7.5 Corruption (1996) - Internal Affairs Detective Reynolds.
- Episode 8.19 Disappeared (1998) - Matthew O'Dell.
- Episode 12.3 For Love or Money (2001) - Vince Renalfi.
- Episode 14.8 Embedded (2003) - Defense Attorney Stewart Griffin.
- Episode 18.16 Strike (2008) - Mike Dolci.
Nancy Ticotin portrayed four different characters over the course of the series:
- Episode 3.15 Mother Love (1993) - Miss Gomez.
- Episode 7.5 Corruption (1996) - Club Bahia Hostess.
- Episode 11.8 Thin Ice (2000) - Alma Nogales.
- Episode 11.14 A Losing Season (2001) - Detective Reina Perez.
- Episode 11.15 Swept Away - A Very Special Episode (2001) - Detective Reina Perez.
- Episode 11.17 Ego (2001) - Detective Reina Perez.
- Episode 11.20 All My Children (2001) - Detective Reina Perez.
- Episode 11.22 School Daze (2001) - Detective Reina Perez.
- Episode 11.24 Deep Vote (2001) - Detective Reina Perez.