Justice League of America [Aquaman; Atom [Ray Palmer]; Batman [Bruce Wayne]; Black Canary; Flash [Barry Allen]; Green Arrow [Oliver Queen]; Green Lantern [Hal Jordan]; J'Onn J'Onzz; Superman [Kal-El; Clark Kent]; Snapper Carr]; Agamemno; Catwoman; Black Manta; Doctor Light; Felix Faust; Lex Luthor; Mister Element; Penguin; Sinestro; Chronos; Lois Lane; Jimmy Olsen; Perry White; Commissioner James Gordon; Iris West (cameo); Jean Loring (cameo)