Character Name : The Nerd / Batman / Robin / Scarecrow / Darkseid / Ace the Bathound / Toyman / Dr. Fate / Jimmy Olsen / Black Manta / Aquaman / Clayface / The Penguin / Killer Croc / Cyborg / Banehound / Various (voice)

Original Name : Seth Green

Gender : Male

Character Name : Superman / Bizarro (voice)

Original Name : Breckin Meyer

Gender : Male

Character Name : Green Lantern / Black Adam (voice)

Original Name : Nathan Fillion

Gender : Male

Character Name : Wonder Woman (voice)

Original Name : Alex Borstein

Gender : Female

Character Name : The Flash / Reverse-Flash / Weather Wizard / Waiter (voice)

Original Name : Matthew Senreich

Gender : Male

Character Name : Lex Luthor / Green Arrow (voice)

Original Name : Alfred Molina

Gender : Male

Character Name : Superboy / Brainiac (voice)

Original Name : Zac Efron

Gender : Male

Character Name : Lena Luthor (voice)

Original Name : Sarah Hyland

Gender : Female

Character Name : Gorilla Grodd (voice)

Original Name : Clancy Brown

Gender : Male

Character Name : The Riddler / Sunbather (voice)

Original Name : Paul Reubens

Gender : Male

Character Name : The Joker / Two-Face (voice)

Original Name : Giovanni Ribisi

Gender : Male

Character Name : Narrator / Starro / Captain Cold (voice)

Original Name : Kevin Shinick

Gender : Male

Character Name : Sinestro / Swamp Thing / Captain Cold (voice)

Original Name : Zeb Wells

Gender : Male

Character Name : Harley Quinn (voice)

Original Name : Tara Strong

Gender : Female

Character Name : Martian Manhunter / Seahorse Leader (voice)

Original Name : Hugh Davidson

Gender : Male

Character Name : Catwoman / Poison Ivy / Little Girl (voice)

Original Name : Clare Grant

Gender : Female