Seth Green

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)

Breckin Meyer

Superman / Bizarro (voice)

Nathan Fillion

Green Lantern / Black Adam (voice)

Alex Borstein

Wonder Woman (voice)

Matthew Senreich

The Flash / Reverse-Flash / Weather Wizard / Waiter (voice)

Alfred Molina

Lex Luthor / Green Arrow (voice)

Zac Efron

Superboy / Brainiac (voice)

Sarah Hyland

Lena Luthor (voice)

Clancy Brown

Gorilla Grodd (voice)

Paul Reubens

The Riddler / Sunbather (voice)

Giovanni Ribisi

The Joker / Two-Face (voice)

Kevin Shinick

Narrator / Starro / Captain Cold (voice)

Zeb Wells

Sinestro / Swamp Thing / Captain Cold (voice)

Tara Strong

Harley Quinn (voice)

Hugh Davidson

Martian Manhunter / Seahorse Leader (voice)

Clare Grant

Catwoman / Poison Ivy / Little Girl (voice)

Rich Zim

Animation

Ben Zelkowicz

Animation

Cameron Baity

Animation

Sarah de Gaudemar

Animation

Seth Green

Director

Seth Green

Writer

Zeb Wells

Director

Zeb Wells

Writer

Tom Root

Writer

Doug Goldstein

Writer

Geoff Johns

Executive Producer