Matt Ryan as John Constantine (voice)

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

Taissa Farmiga as Rachel Roth / Raven (voice)

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

Rosario Dawson as Diana Prince / Wonder Woman (voice)

Stuart Allan as Damian Wayne / Robin (voice)

Rebecca Romijn as Lois Lane (voice)

Rainn Wilson as Lex Luthor (voice)

Tony Todd as Darkseid (voice)

Shemar Moore as Victor Stone / Cyborg (voice)

Christopher Gorham as Barry Allen / The Flash (voice)

Ray Chase as Jason Blood / Etrigan (voice)

Camilla Luddington as Zatanna (voice)

Hynden Walch as Harley Quinn (voice)

Liam McIntyre as Captain Boomerang (voice)

Roger Cross as John Stewart / Green Lantern (voice) / Swamp Thing (voice)

John DiMaggio as King Shark / Trigon (voice)

Sachie Alessio as Lady Shiva (voice)

Matt Lanter as Arthur Curry / Aquaman (voice)

Sean Astin as Billy Batson / Shazam (voice)

Nyambi Nyambi as J'onn J'onzz / Martian Manhunter (voice)

Jon Bernthal as Trigon (voice)