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)

Andrea Romano as Stompa / Vicki Vale (voice)

Salli Saffioti as Gilotina / Mad Harriet (voice)

Tara Strong as Female Radio Caller #2 / Lashina (voice)

Dave B. Mitchell as Bearded Longshoreman (voice)

John Cygan as Male Radio Caller / Gus (voice)

Jim Ward as Radio DJ / Cop (voice)

Gregory Alan Williams as Terrified Longshoreman (voice)

April Winchell as Female Radio Caller #1 / Tresha (voice)