Will Arnett
Batman / Bruce Wayne (voice)
Acting
Michael Cera
Robin / Dick Grayson (voice)
Acting
Rosario Dawson
Batgirl / Barbara Gordon (voice)
Acting
Ralph Fiennes
Alfred Pennyworth (voice)
Acting
Zach Galifianakis
Joker (voice)
Acting
Jenny Slate
Harley Quinn (voice)
Acting
Jason Mantzoukas
Scarecrow (voice)
Acting
Conan O'Brien
The Riddler (voice)
Acting
Doug Benson
Bane (voice)
Acting
Billy Dee Williams
Two-Face (voice)
Acting
Zoë Kravitz
Catwoman (voice)
Acting
Kate Micucci
Clayface (voice)
Acting
Riki Lindhome
Poison Ivy (voice)
Acting
Eddie Izzard
Voldemort (voice)
Acting
Seth Green
King Kong (voice)
Acting
Jemaine Clement
Sauron (voice)
Acting
Ellie Kemper
Phyllis (voice)
Acting
Channing Tatum
Superman (voice)
Acting
Jonah Hill
Green Lantern (voice)
Acting
Adam Devine
The Flash (voice)
Acting
Héctor Elizondo
Jim Gordon (voice)
Acting
Mariah Carey
Mayor McCaskill (voice)
Acting
Lauren White
Chief O'Hara / Medusa / Additional Voices (voice)
Acting
David Burrows
Anchorman Phil (voice)
Acting
Laura Kightlinger
Reporter Pippa (voice)
Acting
Brent Musburger
Reporter #1 (voice)
Acting
Ralph Garman
Reporter #2 (voice)
Acting
Chris Hardwick
Reporter #3 (voice)
Acting
Todd Hansen
Captain Dale (voice)
Editing
Chris McKay
Pilot Bill / Additional Voices (voice)
Directing
Susan Bennett
'Puter (voice)
Acting
Abel Arnett
Additional Voices (voice)
Acting
Archie Arnett
Additional Voices (voice)
Acting
Marco Campagno
Additional Voices (voice)
Acting
Garret Elkins
Additional Voices (voice)
Editing
Ryan Halprin
Additional Voices (voice)
Production
Alison Ingram
Additional Voices (voice)
Acting
Holly Isaacson
Additional Voices (voice)
Editing
Kelly Lafferty
Additional Voices (voice)
Acting
Doug Nicholas
Additional Voices (voice)
Editing
Samantha Nisenboim
Additional Voices (voice)
Acting
Chris Paluszek
Additional Voices (voice)
Acting
Wendell Stephens
Additional Voices (voice)
Acting
Vanara Taing
Additional Voices (voice)
Editing
Matt Town
Additional Voices (voice)
Crew
Bram Tulloch
Additional Voices (voice)
Acting
John Venzon
Additional Voices (voice)
Editing
Matt Villa
Additional Voices (voice)
Editing
Charlie Bean
Additional Voices (voice)
Writing