Character
Green Arrow (Cameo), Atom (Ray Palmer), Hawkman, Red Tornado (John Smith) (Cameo), Mercury (Cameo from Metal Men), Hawkwoman (Shiera Hall), Sinestro (Cameo), Red Tornado, Batman (Bruce Wayne), Plastic Man, Black Manta, Jean Palmer (Cameo, Ray's Wife), Two-Face, Shazam, Flash (Barry Allen) (Cameo), Joker, Aquaman (Cameo), Captain Cold (Leonard Snart) (Cameo), Aquaman, Brainiac, Toyman (Winslow Schott), Wonder Woman (Diana Prince), Captain Cold (Cameo), Green Arrow, Scarecrow (Dr. Jonathan Crane), Martian Manhunter (J'onn J'onzz) (Cameo), Zatanna, Green Lantern (Hal Jordan), Lex Luthor, Martian Manhunter, Lois Lane, Alfred, Poison Ivy, Solomon Grundy, Riddler, Black Canary (Dinah Laurel Lance), Gorilla Grodd, Mera, Metallo (John Corben), Cheetah (Barbara Minerva), Bizarro, Black Canary, Captain Marvel, Luthor, Superman (Clark Kent), Flash, Hawkman (Carter Hall), Metamorpho, Sinestro, Green Arrow (Oliver Queen), Parasite, Cheetah, Atom, Toyman, Iris West, Parasite (Maxwell Jensen), Green Lantern, Elongated Man, Hawkgirl, Flash (Barry Allen)