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 Bomer
as Clark Kent / Superman (voice)
John Noble
as Brainiac (voice)
Stana Katic
as Lois Lane (voice)
Molly C. Quinn
as Kara Zor-El / Supergirl (voice)
Diedrich Bader
as Steve Lombard (voice)
Jason Beghe
as Terrorist Leader (voice)
Frances Conroy
as Ma Kent (voice)
Melissa Disney
as Thara (voice)
Alexander Gould
as Jimmy Olsen (voice)
Sirena Irwin
as Alura (voice)
Will Yun Lee
as Parasoldier Leader (voice)
Andrea Romano
as News Anchor #2 / Superman's Ship (voice)
