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