Former Gotham City District Attorney Harvey Dent, one side of his face scarred by acid, goes on a crime spree based on the number '2'. All of his actions are decided by the flip of a defaced, two-headed silver dollar.
| Actor | Role |
|---|---|
 Adam WestBruce Wayne / Batman (voice) | Bruce Wayne / Batman (voice) |
 Burt WardDick Grayson / Robin (voice) | Dick Grayson / Robin (voice) |
 William ShatnerHarvey Dent / Two-Face (voice) | Harvey Dent / Two-Face (voice) |
 Julie NewmarCatwoman (voice) | Catwoman (voice) |
 Jeff BergmanJoker / Bookworm / Desmond Dumas (voice) | Joker / Bookworm / Desmond Dumas (voice) |
 Sirena IrwinHarleen Quinzel (voice) | Harleen Quinzel (voice) |
 Thomas LennonChief O'Hara (voice) | Chief O'Hara (voice) |
 Lee MeriwetherLucilee Diamond (voice) | Lucilee Diamond (voice) |
 William SalyersPenguin (voice) | Penguin (voice) |
 Lynne Marie StewartAunt Harriet (voice) | Aunt Harriet (voice) |
 Jim WardCommissioner Gordon / Hugo Strange (voice) | Commissioner Gordon / Hugo Strange (voice) |
 Steven WeberAlfred Pennyworth (voice) | Alfred Pennyworth (voice) |
 Wally WingertRiddler / King Tut (voice) | Riddler / King Tut (voice) |
 Maurice LaMarcheEgghead (voice) | Egghead (voice) |