Guest Stars Benedict Samuel as Jervis Tetch / Mad Hatter Cameron Monaghan as Jerome Valeska Nathan Darrow as Victor Fries / Mr. Freeze Michelle Veintimilla as Bridgit Pike / Firefly David Thompson as Jonathan Crane / Scarecrow Steven Hauck as Headmaster Co Starring Kelcy Griffin as Detective Harper Francesca Root-Dodson as Ecco Claudia Robinson as Lady James Lurie as Allan Hayes John Garrett Greer as Businessman Jonathan Rentler as Carl Jason Yudoff as Lars Lina Lee as Receptionist Arami Kramer as Lila Uncredited Cameron Monaghan as Jeremiah Valeska
