Character
Vixen, Sand, Atom (Ray Palmer), Hawkman, Supergirl (Cameo), 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), Power Girl, Doctor Fate, Fever (Cameo), Johnny Sorrow, Flash (Wally West), Wonder Woman (Diana Prince), Green Arrow, Wildcat, Zatanna, Hourman (Rick Tyler), Captain Atom, Robotman (Cameo), Firestorm, Katana (Cameo), Red Tornado (Cameo), Atom Smasher, 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, Jakeem Thunder, Martian Manhunter (J'onn J'onzz), Robin (Tim Drake) (Cameo), (Back Cover) Atom Smasher, Amanda Waller (Cameo), Flash (Barry Allen) (Cameo Flashback), Wonder Girl (Cassie Sandsmark) (Cameo), Despero, Black Adam, Impulse (Cameo), Flash (Jay Garrick), Nightwing (Cameo), Hawkgirl, Mister Terrific (Michael Holt)