Jerry O'Connell Clark Kent / Superman (voice) Rebecca Romijn Lois Lane (voice) Rainn Wilson Lex Luthor (voice) Rosario Dawson Diana Prince / Wonder Woman (voice) Jason O'Mara Bruce Wayne / Batman (voice) Nathan Fillion Hal Jordan / Green Lantern (voice) Christopher Gorham Barry Allen / The Flash (voice) Matt Lanter Arthur Curry / Aquaman (voice) Shemar Moore Victor Stone / Cyborg (voice) Nyambi Nyambi Martian Manhunter (voice) Rocky Carroll Silas Stone / Perry White (voice) Cameron Monaghan Connor Kent / Superboy (voice) Charles Halford Eradicator / Bibbo Bibbowski (voice) Patrick Fabian Hank Henshaw (voice) Erica Luttrell Mercy Graves (voice) Max Mittelman Jimmy Olsen (voice) Toks Olagundoye Cat Grant (voice) Trevor Devall Dabney Donovan / Bruno Mannheim (voice) Jonathan Adams Mayor (voice) Paul Eiding Jonathan Kent (voice) Rick Pasqualone Turpin (voice) Jennifer Hale Martha Kent (voice) Tony Todd Darkseid (voice) Amanda Troop Sawyer (voice) Cress Williams John Henry Irons / Steel (voice)