In the Gotham episode ‘Mad City: The Executioner’, Gordon (Ben McKenzie) and Bullock (Donal Logue) are suspicious of Barnes (Michael Chiklis) so they take a look into the evidence surrounding the murder at Lee and Mario’s engagement party. Meanwhile, after being threatened by a mysterious, moustached man named Anton, Ivy Pepper (Maggie Geha) reveals her identity to Selina (Camren Bicondova) and Bruce (David Mazouz).
Anton is portrayed by Jeremy Crutchley. He is known for his roles on WGN’s Salem (Hathorne), Hannibal (Dr. Roman Fell), Black Sails (Morley), and in the 2015 sci-fi film Flytrap, see trailer below. Gotham airs Mondays at 8pm on FOX.