Co Starring Clancy Brown voices Lex Luthor Joseph Bologna voices Dan Turpin Lisa Edelstein voices Mercy Graves Brad Garrett voices Bibbo Efrem Zimbalist, Jr. voices Alfred Mark Hamill voices The Joker Arleen Sorkin voices Harley Quinn Bob Hastings voices Commissioner Gordon Corey Burton voices Binko Robert Costanzo voices Detective Bullock Shannon Kenny voices Female Terrorist John Capodice voices Ceasar Carlini