Superman: George Newbern
Batman: Kevin Conroy
Wonder Woman: Susan Eisenberg
Green Lantern/Hal Jordan: Josh Keaton
Green Lantern/John Stewart: Phil LaMarr
Flash/Wally West: Micheal Rosenbaum or Jason Spisak
Martian Manhunter: Carl Lumbly
Hawkgirl: Maria Canals
Hawkman: Adam Baldwin
Aquaman: Phil LaMarr
Cyborg: Khary Payton
Zatanna: Kari Wahlgren
Dr. Fate: Oded Fehr
Steel: Michael Dorn
Red Tornado: Jeff Bennett
Blue Beetle/Jaime Reyes: Eric Lopez
Nightwing: Loren Lester
Captain Marvel/Shazam: Chris Pratt or Rob Lowe
Green Arrow: Kin Shriner
Black Canary: Morena Baccarin
Vixen: Gina Torres
Lex Luthor: Clancy Brown
Joker: Troy Baker(if Mark will not do it anymore)
Brainiac: Corey Burton
Black Manta: Khary Payton
Gorilla Grodd: Powers Boothe
Giganta: Jennifer Hale
Black Adam: Arnold Vosloo
Sinestro: Victor Garber
Vandal Savage: Miguel Ferrer
Killer Frost: Jennifer Hale
Klarion the Witch Boy: Thom Adcox Hernandez
Ultra-Humanite: Ian Buchanan
Red Volcano: Jeff Bennett
Volcana: Peri Gilpen
Toyman: Bud Court
Scarecrow: Jeffrey Combs
Darkseid: Michael Ironside
Kalibak: Michael Dorn
Deathstroke: Ron Perlman
Solomon Grundy: Fred Tatasciore
Bane: JB Blanc
Ocean Master: Roger Craig Smith
Helspont: Jonathan Adams or Hakeem Kae-Kazim