Barry Allen / The Flash (voice)
Justin Chambers
Professor Eobard 'Zoom' Thawne / Reverse-Flash (voice)
C. Thomas Howell
Orin / Arthur Curry / Aquaman (voice)
Cary Elwes
Black Manta (voice)
Michael Beach
Hal Jordan / Green Lantern (voice)
Nathan Fillion
Iris West / Billy Batson (voice)
Jennifer Hale
General Sam Lane (voice)
Danny Huston
Grifter / Captain Cold (voice)
Danny Jacobs
Dr. Vulko (voice)
Peter Jessop
Wonder Woman (voice)
Vanessa Marshall
Persephone / Pedro Pena (voice)
Candi Milo
Slade Wilson / Deathstroke (voice)
Ron Perlman
Victor Stone / Cyborg (voice)
Michael B. Jordan
President of the United States (voice)
Kevin Michael Richardson
Doris / Central City Newsreader (voice)
Andrea Romano
Steve Trevor / George "Digger" Harkness / Captain Boomerang / Orm Marius / Ocean Master (voice)
James Patrick Stuart
Yo-Yo (voice)
Hynden Walch
Thomas Wayne / Flashpoint Batman (voice)
Kevin McKidd
Bruce Wayne / Batman (voice)
Kevin Conroy
Etrigan the Demon / Top / Canterbury Cricket (voice)
Dee Bradley Baker
Lex Luthor / Captain Thunder (voice)
Steve Blum
Clark Kent / Kal-El / Superman (voice)
Sam Daly
Lois Lane (voice)
Dana Delany
Nora Allen / Young Barry Allen / Martha Wayne / Joker (voice)
Grey DeLisle
Director
Jay Oliva
Original Music Composer
Frederik Wiedmann
Executive Producer
Sam Register
Bruce Timm
Alan Burnett
Characters
Jim Lee
Geoff Johns
Original Story
Bobbie Page
Screenplay
James Krieg
Producer
James Tucker
Editor
Christopher D. Lozinski