Guest Stars Morena Baccarin as Dr. Leslie Thompkins Drew Powell as Butch Gilzean / Solomon Grundy Clare Foley as Ivy Pepper Anthony Carrigan as Victor Zsasz Cameron Monaghan as Jerome Valeska Carol Kane as Gertrud Kapelput Dashiell Eaves as Kelly Mark Margolis as Paul Cicero Elliot Villar as Thomas Schmidt Jeremy Bobb as Alphonse Grayson James Monroe Iglehart as Ringmaster Abbi Snee as Mary Lloyd Slate Holmgren as Owen Lloyd Robert Gorrie as John Grayson Co Starring J.W. Cortes as Detective Alvarez Alex Corrado as Gabe Joe Lanza as Detective Zeke Vanessa Kai as Board Member #2 Marcin Paluch as Foolhardy Drunk Simon Feil as Board Member #1