Nathan Fillion Hal Jordan / Green Lantern (voice)
Rebecca Romijn Lois Lane (voice)
Cameron Monaghan Connor Kent / Superboy (voice)
Patrick Fabian Hank Henshaw (voice)
Rosario Dawson Diana Prince / Wonder Woman (voice)
Cress Williams John Henry Irons / Steel (voice)
Shemar Moore Victor Stone / Cyborg (voice)
Tony Todd Darkseid (voice)
Rainn Wilson Lex Luthor (voice)
Christopher Gorham Barry Allen / The Flash (voice)
Toks Olagundoye Cat Grant (voice)
Matt Lanter Arthur Curry / Aquaman (voice)
Jason O'Mara Bruce Wayne / Batman (voice)
Jennifer Hale Martha Kent (voice)
Jerry Siegel Characters
Jonathan Adams Mayor (voice)
Jack Kirby Characters
Tim Sheridan Writer
Jerry O'Connell Clark Kent / Superman (voice)
Amanda Troop Sawyer (voice)
Joe Shuster Characters
Rocky Carroll Silas Stone / Perry White (voice)
Peter Tomasi Writer
Charles Halford Eradicator / Bibbo Bibbowski (voice)
Paul Eiding Jonathan Kent (voice)
Sam Liu Director, Producer
Rick Pasqualone Turpin (voice)
Erica Luttrell Mercy Graves (voice)
Sam Register Executive Producer
Trevor Devall Dabney Donovan / Bruno Mannheim (voice)
Alan Burnett Co-Producer
Max Mittelman Jimmy Olsen (voice)
Nyambi Nyambi Martian Manhunter (voice)
James Tucker Executive Producer
James Krieg Writer
Wes Gleason Casting
Jake Castorena Director
Frederik Wiedmann Original Music Composer
Kang Hei Chul Key Animation, Storyboard Artist
Amy McKenna Producer
Christopher D. Lozinski Editor