CharacterVixen, Sand, Atom (Ray Palmer), Supergirl (cameo), Hawkman, Green Lantern (Kyle Rayner), Batman (Bruce Wayne), Star-Spangled Kid, Plastic Man, Arsenal (cameo), Shazam, Green Lantern (Hal Jordan) (cameo flashback), Detective Renee Montoya, Platinum (cameo), Doctor Fate, Power Girl, Fever (cameo), Flash (Wally West), Johnny Sorrow, Wonder Woman (Diana Prince), Green Arrow, Wildcat, Zatanna, Hourman (Rick Tyler), Captain Atom, Robotman (cameo), Firestorm, Atom Smasher, Katana (cameo), Red Tornado (cameo), Lex Luthor, Doctor Mid-Nite (Pieter Cross), Doctor Bedlam, Mercury (cameo), Geo-Force (cameo), Mr. Terrific (Michael Holt), Changeling (cameo), Sentinel (Alan Scott), Kid Slick (cameo), Black Canary, Captain Marvel, Superman (Clark Kent), Captain Marvel Jr, Mary Marvel, Martian Manhunter (J'Onn J'Onzz), Jakeem Thunder, Robin (Tim Drake) (cameo), (Back Cover) Atom Smasher, Flash (Barry Allen) (cameo flashback), Amanda Waller (cameo), Wonder Girl (Cassie Sandsmark) (cameo), Despero, Black Adam, Impulse (cameo), Flash (Jay Garrick), Nightwing (cameo), Hawkgirl, Mister Terrific (Michael Holt)
Superhero TeamJustice Society of America, Justice League of America