Will Arnett

Character: Batman / Bruce Wayne (voice)

Michael Cera

Character: Robin / Dick Grayson (voice)

Rosario Dawson

Character: Batgirl / Barbara Gordon (voice)

Ralph Fiennes

Character: Alfred Pennyworth (voice)

Zach Galifianakis

Character: Joker (voice)

Jenny Slate

Character: Harley Quinn (voice)

Jason Mantzoukas

Character: Scarecrow (voice)

Conan O'Brien

Character: The Riddler (voice)

Doug Benson

Character: Bane (voice)

Billy Dee Williams

Character: Two-Face (voice)

Zoë Kravitz

Character: Catwoman (voice)

Kate Micucci

Character: Clayface (voice)

Riki Lindhome

Character: Poison Ivy (voice)

Eddie Izzard

Character: Voldemort (voice)

Seth Green

Character: King Kong (voice)

Jemaine Clement

Character: Sauron (voice)

Ellie Kemper

Character: Phyllis (voice)

Channing Tatum

Character: Superman (voice)

Jonah Hill

Character: Green Lantern (voice)

Adam Devine

Character: The Flash (voice)

Héctor Elizondo

Character: Jim Gordon (voice)

Mariah Carey

Character: Mayor McCaskill (voice)

Lauren White

Character: Chief O'Hara / Medusa / Additional Voices (voice)

David Burrows

Character: Anchorman Phil (voice)

Laura Kightlinger

Character: Reporter Pippa (voice)

Brent Musburger

Character: Reporter #1 (voice)

Ralph Garman

Character: Reporter #2 (voice)

Chris Hardwick

Character: Reporter #3 (voice)

Todd Hansen

Character: Captain Dale (voice)

Chris McKay

Character: Pilot Bill / Additional Voices (voice)

Susan Bennett

Character: 'Puter (voice)

Abel Arnett

Character: Additional Voices (voice)

Archie Arnett

Character: Additional Voices (voice)

Marco Campagno

Character: Additional Voices (voice)

Garret Elkins

Character: Additional Voices (voice)

Ryan Halprin

Character: Additional Voices (voice)

Alison Ingram

Character: Additional Voices (voice)

Holly Isaacson

Character: Additional Voices (voice)

Kelly Lafferty

Character: Additional Voices (voice)

Doug Nicholas

Character: Additional Voices (voice)

Samantha Nisenboim

Character: Additional Voices (voice)

Chris Paluszek

Character: Additional Voices (voice)

Wendell Stephens

Character: Additional Voices (voice)

Vanara Taing

Character: Additional Voices (voice)

Matt Town

Character: Additional Voices (voice)

Bram Tulloch

Character: Additional Voices (voice)

John Venzon

Character: Additional Voices (voice)

Matt Villa

Character: Additional Voices (voice)

Charlie Bean

Character: Additional Voices (voice)