Mckenna Grace ADR & Dubbing
Channing Tatum Superman (voice)
Ralph Fiennes Alfred Pennyworth (voice)
Zoë Kravitz Catwoman (voice)
Rosario Dawson Batgirl / Barbara Gordon (voice)
Jenny Slate Harley Quinn (voice)
Seth Green King Kong (voice)
Jonah Hill Green Lantern (voice)
Will Arnett Batman / Bruce Wayne (voice)
Jason Mantzoukas Scarecrow (voice)
Jack Kirby Thanks
Michael Cera Robin / Dick Grayson (voice)
Zach Galifianakis Joker (voice)
Ellie Kemper Phyllis (voice)
Chris Hardwick Reporter #3 (voice)
Suzy Eddie Izzard Voldemort (voice)
Jamie Chung Animation
Jemaine Clement Sauron (voice)
Adam Devine The Flash (voice)
Joe Shuster Characters
Bob Kane Characters
Conan O'Brien The Riddler (voice)
Christopher Miller Producer
Phil Lord Producer
Héctor Elizondo Jim Gordon (voice)
Jerry Siegel Characters
Billy Dee Williams Two-Face (voice)
Nicholas Stoller Creative Consultant
Riki Lindhome Poison Ivy (voice)
Chris McKenna Screenplay
Kate Micucci Clayface (voice)
Mariah Carey Mayor McCaskill (voice)
Gardner Fox Thanks
William Moulton Marston Characters
Paul Dini Thanks
Marv Wolfman Thanks
Bill Finger Characters
Frank Miller Thanks
Bruce Timm Thanks
Erik Sommers Screenplay
Steve Englehart Thanks
Gerry Conway Thanks
Glenn Ficarra Creative Consultant
George Pérez Thanks
Neal Adams Thanks
Carmine Infantino Thanks
John Whittington Screenplay
Mort Weisinger Thanks
Michael Semanick Sound Re-Recording Mixer
Chris McKay Pilot Bill / Additional Voices (voice), Director
Chad Smith Musician
Jared Stern Creative Consultant, Screenplay
Seth Grahame-Smith Story, Screenplay
Gabe Hilfer Music Consultant
Ralph Garman Reporter #2 (voice)
John Requa Creative Consultant
Charlie Bean Additional Voices (voice)
Doug Benson Bane (voice)
Paul Norris Thanks
Joe Certa Thanks
Gene Colan Thanks
Jerry Robinson Thanks
Barbara Harris ADR Voice Casting
Chuck Dixon Thanks
Joe Samachson Thanks
Roy Lee Producer
Mary Hidalgo Casting
Daniel Edward Mora Loop Group Coordinator
Laura Kightlinger Reporter Pippa (voice)
Michael Uslan Executive Producer
Doug Moench Thanks
Vanara Taing Additional Voices (voice), Additional Editing