Lana Lang; Justice League of America [Vixen [Mari McCabe]; Killer Frost [Caitlin Snow]; The Ray [Ray Terrill]; Black Canary [Dinah Lance]; Lobo; The Atom [Ryan Choi]; Batman [Bruce Wayne]]; unidentified Penn City students; unidentified crossing guard; Ben Rubel; Olivia Ortega; Frances Rock; other unnamed reporters; Nikos Aegeus; Whisper Gang members; Xenos; Aegeus' soldiers; unnamed Penn City residents
Nikos Aegeus arrives in Penn City and employs its poverty-stricken residents in his black market enterprise that sells high tech weapons to the highest bidder. The JLA arrives to stop him.