Cast (20)
Kaley CuocoHarley Quinn (voice)
Lake BellPoison Ivy (voice)
Jason AlexanderSy Borgman (voice)
Diedrich BaderBatman (voice)
Giancarlo EspositoLex Luthor (voice)
Sean GiambroneJoshua (voice)
Wayne KnightThe Penguin (voice)
Ron FunchesKing Shark (voice)
Howie MandelHowie Mandel (voice)
George LópezGeorge Lopez (voice)
Billy Bob ThorntonBilly Bob Thornton (voice)
James GunnJames Gunn (voice)
Cathy AngGolden Glider (voice)
Alfred MolinaMr. Freeze / Stew (voice)
Sanaa LathanCatwoman (voice)
Larry OwensMusic Meister (voice)
Sam RichardsonSwamp Thing (voice)
Matt RyanConstantine (voice)
Krizia BajosBethany (voice)
James CorletoBenicio (voice)