Tim Daly

as Superman (voice)

Kevin Conroy

as Batman (voice)

Summer Glau

as Kara Zor-El / Supergirl (voice)

Andre Braugher

as Darkseid (voice)

Susan Eisenberg

as Wonder Woman (voice)

Julianne Grossman

as Big Barda (voice)

Ed Asner

as Granny Goodness (voice)

Rachel Quaintance

as Lyla / Harbinger / Artemis (voice)