Sean Astin as Shazam (voice)

Rosario Dawson as Wonder Woman / Diana (voice)

Nathan Fillion as Green Lantern / Hal Jordan (voice)

Christopher Gorham as The Flash / Barry Allen (voice)

Matt Lanter as Aquaman / Arthur Curry (voice)

Sumalee Montano as Mera (voice)

Jerry O'Connell as Superman / Clark Kent / Kal-El (voice)

Jason O'Mara as Batman / Bruce Wayne (voice)

Shemar Moore as Cyborg / Victor Stone (voice)

Sam Witwer as Orm (voice)

Juliet Landau as Lois Lane / Cassie Sandsmark (voice)

Harry Lennix as Black Manta (voice)

Sirena Irwin as Queen Atlanna (voice)

Patrick Cavanaugh as Jimmy Olsen (voice)

George Newbern as Steve Trevor (voice)

Jay Johnson as General Lane (voice)

Melique Berger as Sarah (voice)

Steve Blum as Lex Luthor (voice)

Larry Cedar as Thomas Curry (voice)

Barry Dennen as Defense Advisor (voice)

Paul Eiding as Captain (voice)

Matthew Yang King as Dr. Shin (voice)

Khary Payton as John Henry Irons (voice)

Andrea Romano as Elderly Atlantean Woman (voice)

Michael Rosenbaum as Drift Leader (voice)