Keanu Reeves Bruce Wayne / Batman (voice)
John Krasinski Clark Kent / Superman (voice)
Dwayne Johnson Krypto the Superdog / Anubis / Black Adam (voice), Producer
Lena Headey Lara (voice)
Olivia Wilde Lois Lane (voice)
Kevin Hart Ace the Bat-Hound (voice)
Natasha Lyonne Merton (voice)
Marc Maron Lex Luthor (voice)
Diego Luna Chip (voice)
Taylor Swift Songs
Keith David Dog-El (voice)
Alfred Molina Jor-El (voice)
Maya Erskine Mercy Graves (voice)
Dan Fogler Carl / Pilot / Racer (voice)
Jemaine Clement Arthur Curry / Aquaman (voice)
Bob Kane Characters
Jameela Jamil Diana Prince / Wonder Woman (voice)
Ben Schwartz Mark / Fire Guinea Pig (voice)
Kate McKinnon Lulu (voice)
Daveed Diggs Victor Stone / Cyborg (voice)
Yvette Nicole Brown Patty (voice)
Lou Romano Visual Development
Busy Philipps Foofy Dog (voice)
Joe Shuster Characters
John Early Barry Allen / The Flash (voice)
Michelle Morgan Mech Suit (voice)
Bill Finger Characters
Nicholas Stoller Executive Producer
Thomas Middleditch Keith / Ice Guinea Pig (voice)
John Whittington Writer
Vanessa Bayer PB (voice)
Jared Stern Writer, Director, Producer, Bathtub Guy / JLA Hotline (voice)
Dascha Polanco Jessica Cruz / Green Lantern (voice)
Jerry Siegel Characters
Richard Arnold Waffles (Uk Dub)
William Moulton Marston Characters
John Puglisi Story Artist
David Pressman Corgi (voice)
John Requa Executive Producer
Glenn Ficarra Executive Producer
Mark Walton Story Artist
Season Kent Music Supervisor
Kevin Harkey Story Artist
Steve Jablonsky Original Music Composer
Dany Garcia Producer
Bruce Tanis Foley Editor
Darrin Mann Foley Mixer
Christopher Moriana Foley Artist
Ruth Lambert Casting
Régis Schuller Layout Supervisor
Alyson Dee Moore Foley Artist
Nikolas Ilic Character Designer
Kenji Ono Story Artist
Jon Warne Production Coordinator
Hiram Garcia Producer
Craig Kellman Character Designer
Bill R. Dean Sound Designer, Supervising Sound Editor
Joe Oh Story Artist
Cinzia Angelini Additional Storyboarding
Ricardo F. Delgado Visual Development
Kristen Anderson Art Direction
Allison Abbate Executive Producer
Garret Elkins Additional Editor
Patricia Hicks Producer
Max Martin Songs
Eric Elrod Additional Storyboarding
Daniela Kriston Researcher
Ovi Nedelcu Character Designer
David Burgess Animation Supervisor
Sam Levine Waffles / Robot Guards (voice), Co-Director
Sharon Colman Additional Storyboarding
Mayumi Nose Lead Character Designer