Michelle Monaghan as Diana Prince / Wonder Woman (voice)

Alan Tudyk as Clark Kent / Superman (voice)

Sean Astin as Shazam (voice)

Shemar Moore as Victor Stone / Cyborg (voice)

Christopher Gorham as Barry Allen / The Flash (voice)

Justin Kirk as Hal Jordan / Green Lantern (voice)

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

George Newbern as Steve Trevor (voice)

Zach Callison as Billy Batson (voice)

Bruce Thomas as Desaad (voice)

Rocky Carroll as Silas Stone (voice)

Georgie Kidder as Freddy Freeman / Max / Additional Voices (voice)

Hynden Walch as Hannah Grace (voice)

Dee Bradley Baker as Parademons (voice)

Ioan Gruffudd as Thomas Morrow (voice)

Melique Berger as Sarah Charles (voice)

Richard McGonagle as President (voice)

Kimberly Brooks as Darla (voice)

John Mariano as Ice Cream Vendor (voice)

Roger Rose as Pinstriped Loudmouth (voice)

Matthew Mercer as Guard (voice)

Andrea Romano as Green Lantern's Ring (voice)

Gary Anthony Sturgis as Teammate #2 (voice)

Steve Blum as Darkseid / Ocean Master (voice)