Will ArnettBatman / Bruce Wayne (voice)
Michael CeraRobin / Dick Grayson (voice)
Rosario DawsonBatgirl / Barbara Gordon (voice)
Ralph FiennesAlfred Pennyworth (voice)
Zach GalifianakisJoker (voice)
Jenny SlateHarley Quinn (voice)
Jason MantzoukasScarecrow (voice)
Conan O'BrienThe Riddler (voice)
Billy Dee WilliamsTwo-Face (voice)
Zoë KravitzCatwoman (voice)
Kate MicucciClayface (voice)
Riki LindhomePoison Ivy (voice)
Eddie IzzardVoldemort (voice)
Seth GreenKing Kong (voice)
Jemaine ClementSauron (voice)
Ellie KemperPhyllis (voice)
Channing TatumSuperman (voice)
Jonah HillGreen Lantern (voice)
Adam DevineThe Flash (voice)
Héctor ElizondoJim Gordon (voice)
Mariah CareyMayor McCaskill (voice)
Lauren WhiteChief O'Hara / Medusa / Additional Voices (voice)
David BurrowsAnchorman Phil (voice)
Laura KightlingerReporter Pippa (voice)
Brent MusburgerReporter #1 (voice)
Ralph GarmanReporter #2 (voice)
Chris HardwickReporter #3 (voice)
Todd HansenCaptain Dale (voice)
Chris McKayPilot Bill / Additional Voices (voice)
Susan Bennett'Puter (voice)
Abel ArnettAdditional Voices (voice)
Archie ArnettAdditional Voices (voice)
Marco CampagnoAdditional Voices (voice)
Garret ElkinsAdditional Voices (voice)
Ryan HalprinAdditional Voices (voice)
Alison IngramAdditional Voices (voice)
Holly IsaacsonAdditional Voices (voice)
Kelly LaffertyAdditional Voices (voice)
Doug NicholasAdditional Voices (voice)
Samantha NisenboimAdditional Voices (voice)
Chris PaluszekAdditional Voices (voice)
Wendell StephensAdditional Voices (voice)
Vanara TaingAdditional Voices (voice)
Matt TownAdditional Voices (voice)
Bram TullochAdditional Voices (voice)
John VenzonAdditional Voices (voice)
Matt VillaAdditional Voices (voice)
Charlie BeanAdditional Voices (voice)
Tom CruiseJerry Maguire (uncredited)
Renée ZellwegerDorothy Boyd (uncredited)
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