Co Starring Tara Strong voices Barbara Gordon Efrem Zimbalist, Jr. voices Alfred Robert Costanzo voices Detective Bullock Bob Hastings voices Commissioner Gordon Arleen Sorkin voices Harley Quinn Jeff Bennett voices The Creeper / Jack Ryder Lloyd Bochner voices Mayor Hamilton Hill Roddy McDowall voices Mad Hatter Henry Silva voices Bane Liane Schirmer voices Officer Renee Montoya John Garry voices Lawyer Uncredited Jeff Bennett voices Scarecrow Jeff Bennett voices Police Officer Efrem Zimbalist, Jr. voices Show Presenter