Character
Robot Lois Lane (Robolois) (Introduction), Congorilla (Simulation), Big Blue (Dream), Brainiac (Simulation), Deathstroke, Deadshot (Floyd Lawton), Gorilla Grodd (Cameo), Spalding, Vandal Savage, Mera (Flashback, Cameo), Heat Wave (Flashback, Cameo), Sinestro (Flashback, Cameo), Flash (Wally West) (Flashback, Cameo), Joker (Flashback, Cameo), The Last Victim Jeannette, Flash (Barry Allen) (Flashback, Cameo), Krypto (Cameo), Superboy (Kon-El) (Cameo), Lena Luthor (Flashback, Cameo), Superman (Flashback, Cameo), Mr. Cardington (Flashback), Ragdoll (Peter Merkel), Martian Manhunter (Simulation), Mirror Master (Flashback, Cameo), Spearhavoc (Flashback, Cameo), Sebastien Mallory, Kobra (Flashback, Cameo), Guardian (Simulation), Superman (Simulation), Robot Lois Lane (Robolois) (Cameo), Cheetah (Barbara Ann Minerva) (Flashback, Cameo), Catwoman (Selina Kyle) (Flashback, Cameo), Mister Mind (Cameo), Michael Finch (Cameo), Wonder Woman (Diana) (Flashback, Cameo), Vandal Savage (Flashback, Cameo), Scarecrow (Flashback, Cameo), Lex Luthor, Black Canary (Simulation), Silver Banshee (Cameo), John Henry Irons (Steel) (Cameo), Mister Mind, Gorilla Grodd, Captain Cold (Flashback, Cameo), Robot Lois Lane (Robolois), Secret Six Scandal Savage, Bane, Warp (Flashback, Cameo), Sasky, Monique, Green Lantern (Hal Jordan) (Flashback, Cameo), Mr. Spalding (Cameo), Ms. Jessup, Death of the Endless (Cameo), Darkseid (Simulation), Mr. Finch, Phobia (Flashback, Cameo), Deathstroke (Cameo), Lori Luthor (Flashback, Cameo), Atom (Ray Palmer) (Flashback, Cameo), Joker (Simulation), Death of the Endless, Superboy (Conner Kent) (Flashback, Cameo), Og (Dream), Supergirl (Kara Zor-El) (Cameo), Dr. Light (Arthur Light) (Flashback, Cameo), Ms. Jessup (As ms. Jessop), Mr. Spalding, Catman (Thomas Blake), Katy (Cameo), Larfleeze (Simulation)