Superman and Supergirl take on the cybernetic being known as Brainiac, who boasts that he possesses "the knowledge and strength of 10,000 worlds."

Matt Bomeras Clark Kent / Superman (voice)
John Nobleas Brainiac (voice)
Stana Katicas Lois Lane (voice)
Molly C. Quinnas Kara Zor-El / Supergirl (voice)
Diedrich Baderas Steve Lombard (voice)
Jason Begheas Terrorist Leader (voice)
Frances Conroyas Ma Kent (voice)
Melissa Disneyas Thara (voice)
Alexander Gouldas Jimmy Olsen (voice)
Sirena Irwinas Alura (voice)