Guest Stars Cameron Monaghan as Jeremiah Valeska David Thompson as Jonathan Crane / Scarecrow Shiva Kalaiselvan as Lelia Peter McRobbie as Mayor Holden Pritchard Co Starring J.W. Cortes as Detective Alvarez Kelcy Griffin as Detective Harper Krista Braun as Jennifer Luree Christian Rozakis as Jongleur Carla Occhiogrosso as Cop #2 Ryan J. McCarthy as Cop #1