Toshihiko Masuda Director Tim Daly Clark Kent, Superman Voice Dana Delany Lois Lane Voice Kevin Conroy Bruce Wayne, Batman Voice Clancy Brown Lex Luthor Voice Mark Hamill The Joker Voice Arleen Sorkin Dr. Harleen Quinzel, Harley Quinn Voice Lisa Edelstein Mercy Graves Voice Bob Hastings Commissioner Jim Gordon Voice Efrem Zimbalist Jr. Alfred Pennyworth Voice Joseph Bologna SCU Lt. Dan Turpin Voice Robert Costanzo Detective Harvey Bullock Voice George Dzundza Perry White Voice Lauren Tom Angela Chen Voice Corey Burton Voice John Capodice Voice Brad Garrett Bibbo Voice Shannon Kenny Voice Peter Renaday Voice Alan Burnett Producer Paul Dini Producer Bruce Timm Producer Rich Fogel Writer Steve Gerber Writer Stan Berkowitz Writer