In the beginning of the episode, Detective Amaro suggests to his estranged wife that he visit D.C. and take his daughter to the National Zoo.
He was heeding the advice of Captain Cragen, as that was his suggestion in Acceptable Loss (2012).
Reg E. Cathey played Warden Martin Querns on HBO's series Oz. His character in Law & Order: SVU 'Undercover Blue' is defense attorney Barry Querns.
Reg E. Cathy, Dean Winters, and Scott William Winters worked together in the HBO series Oz prior to appearing in this episode of Law & Order: SVU. Dean and Scott are also brothers.
Andrea Navedo was a semi regular on the original "Law and Order".
Dean Winters, who plays Officer Brian Cassidy, is the older brother of Scott William Winters, who plays Detective Joe Dumas.