Matt Bomer
Clark Kent / Superman (voice)
John Noble
Brainiac (voice)
Stana Katic
Lois Lane (voice)
Molly C. Quinn
Kara Zor-El / Supergirl (voice)
Diedrich Bader
Steve Lombard (voice)
Jason Beghe
Terrorist Leader (voice)
Frances Conroy
Ma Kent (voice)
Melissa Disney
Thara (voice)
Alexander Gould
Jimmy Olsen (voice)
Sirena Irwin
Alura (voice)
Will Yun Lee
Parasoldier Leader (voice)
Andrea Romano
News Anchor #2 / Superman's Ship (voice)
Stephen Root
Zor-El (voice)
Wade Williams
Perry White (voice)
Michael-Leon Wooley
Ron Troupe (voice)
Ian James Corlett
Kryptonian #1 (voice)