Character
Sonar (Antagonist), Girder (Antagonist), Tony Woodward (Antagonist), Helena Bertinelli (Cameo), Oberon (Cameo), Dr. Barbara Minerva (Antagonist), Simon Jones (Antagonist), Firestorm (Supporting), Yrra Cynril (Antagonist), Space Ranger (Cameo), Barbara Gordon (Guest), Dr. Sivana (Antagonist), Toyman (Antagonist), Shadow-Thief (Antagonist), The Hyena (Antagonist), Garfield Logan (Cameo), T. O. Morrow (Antagonist), Dick Grayson (Cameo), Waylon Jones (Antagonist), Hal Jordan (Featured), Winslow Schott (Antagonist), Carter Hall (Cameo), Beatriz Da Costa (Cameo), Pamela Isley (Antagonist), Psimon (Antagonist), Queenbee (Antagonist), Batman (Bruce Wayne) (Featured), Doctor Light (Antagonist), Cheshire (Antagonist), Scarecrow (Antagonist), Katana (Cameo), Zatanna Zatara (Cameo), Killer Croc (Antagonist), Eel O'brian (Cameo), Grace Choi (Cameo), Clayface (Antagonist), Hawkman (Cameo), Carl Sands (Antagonist), Fire (Cameo), Micah Flint (Antagonist), Shilo Norman (Cameo), Green Arrow (Cameo), Atom (Cameo), Giganta (Antagonist), Lex Luthor (Antagonist) (Founding Member of Injustice League Unlimited), The Huntress (Cameo), Victor Fries (Antagonist), Rex Mason (Cameo), Felix Faust (Antagonist), Shrapnel (Antagonist), Roy Harper (Featured), Power Girl (Cameo), Mister Terrible (Antagonist), Wildcat (Cameo), Poison Ivy (Antagonist), The Shark (Antagonist), Dinah Lance (Featured), Slade Wilson (Antagonist), Angela Hawkins III (Antagonist), Kanjar Ro (Antagonist) (in Photograph Only), Phobia (Antagonist), Arthur Curry (Cameo), Mark Scheffer (Antagonist), Wally West (Cameo), Clifford Zmeck (Antagonist), Eclipso (Antagonist) (in Photograph Only), John Corben (Antagonist), Rock (Antagonist), John Constantine (Cameo), Hammer (Antagonist), Louise Lincoln (Antagonist), Guy Gardner (Cameo), Blue Beetle (Cameo), Black Canary (Featured), Kendra Saunders (Featured), Michael Holt (Cameo), Lady Vic (Antagonist), Anissa Pierce (Cameo), Vixen (Featured), Tempest (Cameo), Victor Stone (Cameo), Harvey Dent (Antagonist), Green Lantern (Featured), Dr. Doris Zeul (Antagonist), Mr. Freeze (Antagonist), Silver Monkey (Antagonist), Mister Terrific (Cameo), Cyborg (Cameo), Beast Boy (Cameo), Brion Markov (Cameo), The Shaggy Man (Antagonist) (First Appearance of the Third Shaggy Man), Parasite (Antagonist), Grant Emerson (Cameo), Ryan Choi (Cameo), Aquaman (Cameo), Major Force (Antagonist), Killer Frost (Antagonist), The Cheetah (Antagonist), Martian Manhunter (Cameo), Mister Miracle (Cameo), Green Lantern (Cameo), Selinda Flinders (Antagonist), Richard Grey, Jr. / Thomas Wright (Cameo), Batman (Featured), Black Manta (Antagonist), Summer Day (Antagonist), David Hyde (Antagonist), Volcano Man (Antagonist), Princess Diana (Featured), Jack Knight (Cameo), Tatsu Yamashiro (Cameo), Adam Strange (Cameo), The Prankster (Antagonist), Kara Zor-L (Cameo), Flash (Cameo), Bito Wladon Jr. (Antagonist), Jaime Reyes (Cameo), J'onn J'onzz (Cameo), Starfire (Cameo), Bonny Hoffman (Antagonist), Plastic Man (Cameo), The Joker (Antagonist), Koriand'r (Cameo), Geo-Force (Cameo), Margot Marceau (Antagonist), Mammoth (Antagonist), Metamorpho (Cameo), Jade Nguyen (Antagonist), Shimmer (Antagonist), The Flash (Cameo), Metallo (Antagonist), Rudy Jones (Antagonist), John Stewart (Featured), Clark Kent / Kal-El (Featured), Jewelee (Antagonist), Iron Cross (Antagonist), Lady Elaine Marsh-Morton (Antagonist), Big Barda (Cameo), Dr. Sam Ellis (Antagonist), Skorpio (Antagonist), Rick Starr (Cameo), Superman (Featured), Red Arrow (Featured), Manticore (Antagonist), Baran Flinders (Antagonist), Starman (Cameo), Damage (Cameo), Basil Karlo (Antagonist), Deathstroke (Antagonist), Alan Scott (Cameo), Ted Grant (Cameo), Monsieur Mallah (Antagonist), Jay Garrick (Cameo), Jinx (Antagonist), Red Tornado (Featured), Gorilla Grodd (Antagonist), Hawkgirl (Featured), Tremor (Antagonist), Connor Hawke (Cameo), The Key (Antagonist), Wonder Woman (Featured), Thunder (Cameo), Fatality (Antagonist), Lois Lane (Cameo), Effigy (Antagonist), Joshua Clay (Cameo), Jonathan Crane (Antagonist), Dr. Arthur Light (Antagonist), Mari Mccabe (Featured), Black Condor (Cameo), Karshon (Antagonist), Aliki Marceau (Antagonist), Nightwing (Cameo), Two-Face (Antagonist), Oracle (Guest)