Justice League Action

Kevin Conroy
Batman (voice)

Jason J. Lewis
Superman (voice) / Superman / Zod (voice) / Clark Kent / Superman (voice) / Supe...

Rachel Kimsey
Wonder Woman (voice) / Diana Prince / Wonder Woman (voice) / Jackie (voice) / Wo...

Diedrich Bader
Booster Gold (voice) / Booster Gold / Uthool (voice) / Booster Gold / H.I.V.E. M...

Chris Diamantopoulos
Green Arrow (voice) / Green Arrow / Nyorlath (voice) / Green Arrow / H.I.V.E. Ma...

P.J. Byrne
Firestorm (voice)

Mark Hamill
Swamp Thing (voice) / The Joker (voice)

Stephen Tobolowsky
Professor Stein (voice)

James Woods
Lex Luthor (voice) / Lex Luthor / Repulse (voice)

Khary Payton
Cyborg (voice) / Cyborg / Kanjar Ro (voice)

Dana Snyder
Plastic Man (voice) / Penguin (voice) / Plastic Man / Penguin (voice)

Tara Strong
Dr. Harleen Quinzel / Harley Quinn (voice) / Harley Quinn (voice) / Harley Quinn...

Lacey Chabert
Zatanna (voice)

Charlie Schlatter
The Flash (voice)

Patton Oswalt
Space Cabbie (voice)

Damian O'Hare
Constantine (voice) / Constantine / Mr. Anderson (voice) / John Constantine / Ab...

Troy Baker
Hawkman / Jonas Glim (voice) / Kanto (voice) / Hawkman (voice) / Hawkman / Kanto...

John DiMaggio
Lobo (voice) / Mongul (voice)

Jerry O'Connell
Atom (voice) / Ray Palmer / The Atom (voice)

Natalie Lander
Stargirl (voice) / Stargirl / Timmy (voice)