Jerry O'Connell Clark Kent / Superman (voice) Rebecca Romijn Lois Lane (voice) Rainn Wilson Lex Luthor (voice) Rosario Dawson Diana Prince / Wonder Woman (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) Jason O'Mara Bruce Wayne / Batman (voice) Jonathan Adams Mayor (voice) Rocky Carroll Silas Stone (voice) Trevor Devall Dabney Donovan (voice), Bruno Mannheim (voice) Paul Eiding Pa Kent (voice) Jennifer Hale Ma Kent (voice) Patrick Fabian Hank Henshaw (voice) Charles Halford Bibbo Bibbowski (voice) Erica Luttrell Mercy Graves (voice) Max Mittelman Jimmy Olsen (voice) Toks Olagundoye Cat Grant (voice) Rick Pasqualone Dan Turpin (voice) Amanda Troop Maggie Sawyer (voice) Cress Williams John Henry Irons (voice)