In Nygma's apartment, there are green lights outside the window. Green is the Riddler's signature color.
Michael Chiklis played a crooked cop in The Shield, in which he was the leader of an experimental unit called "Strike Team". In Gotham he is a good cop and creates an experimental unit called "Strike Force".
Michael Chiklis also played the Police Commissioner in the series The Commish , making this his third run as a police officer on TV
In yet another actor who moved on to the Marvel Universe. Natalie Alyn Lind who plays Silver St. Cloud in this and future episodes later goes on to play a mutant in the Marvel Universe t.v.show The Gifted which is part of the X-Men franchise.
After playing Gus Freeman in this episode, actor Danny Johnson stepped into the Marvel Universe, assuming the recurring role of mob lawyer Benjamin Donovan in both the Daredevil and Luke Cage series on Netflix.