The Joker is aided in his Halloween quest to render modern technology useless and take over Gotham City by Solomon Grundy, Silver Banshee, Clayface and Scarecrow.
as Batman (voice)
as The Joker (voice)
as Green Arrow (voice)
as Silver Banshee (voice)
as Gogo Shoto (voice)
as Cyborg (voice)
as Nightwing (voice)
as Red Robin (voice)
as Solomon Grundy (voice)
as Scarecrow (voice)
as Clayface (voice)
as Commissioner Gordon (voice)
as Houston Raines (voice)
as Alfred (voice)
as Gladys Windsmere / Newscaster (voice)
as Gruff Cop / Watchman #2 (voice)
as Dr. Silas Stone (voice)
as Anna / Computer (voice)
