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