When Axe asks Channing, "You still picking your feet in Poughkeepsie, Channing?" it is a reference to the movie, "The French Connection."
The actors playing Kate Sacker's parents also appeared in The Blacklist together.
Kate Sacker's parents are played by actors whose last names are homophones (meaning they are pronounced the same but spelled differently): Harry Lennix and Adriane Lenox.