| Cast list |
| Tim Daly | as | Clark Kent /Superman (voice) |
| Dana Delany | as | Lois Lane (voice) |
| Kevin Conroy | as | Bruce Wayne /Batman (voice) |
| Clancy Brown | as | Lex Luthor (voice) |
| Mark Hamill | as | The Joker (voice) |
| Arleen Sorkin | as | Dr. Harleen Quinzel /Harley Quinn (voice) |
| Lisa Edelstein | as | Mercy Graves (voice) |
| Bob Hastings | as | Commissioner Jim Gordon (voice) |
| Efrem Zimbalist Jr. | as | Alfred Pennyworth (voice) |
| Joseph Bologna | as | SCU Lt. Dan Turpin (voice) |
| Robert Costanzo | as | Detective Harvey Bullock (voice) |
| George Dzundza | as | Perry White (voice) |
| Lauren Tom | as | Angela Chen (voice) |
| Corey Burton | as | Additional Voices (voice) |
| John Capodice | as | Additional Voices (voice) |
| Brad Garrett | as | Bibbo (voice) |
| Shannon Kenny | as | Additional Voices (voice) |
| Peter Renaday | as | Additional Voices (voice) |
