Full Cast — Justice League Action (2016–2018)

Kevin Conroy

Batman (voice)

Jason J. Lewis

Clark Kent / Superman / Boss Kack (voice) / Clark Kent / Superman / Desaad (voice) / Superman / Desaad (voice) / Superman / Biff (voice) / Superman / Chancellor Al-On (voice) / Superman / Dex-Starr (voice) / Superman / Rath (voice) / Superman / Zod (voice) / Superman +6 more

Rachel Kimsey

Jackie (voice) / Wonder Woman / Sis (voice) / Wonder Woman (voice) / Diana Prince / Wonder Woman (voice) / Wonder Woman / Bleez (voice)

Diedrich Bader

Booster Gold (voice) / Booster Gold / Uthool (voice) / Booster Gold / H.I.V.E. Master (voice)

Chris Diamantopoulos

Green Arrow / Nyorlath (voice) / Green Arrow / H.I.V.E. Master (voice) / Green Arrow (voice) / Oliver Queen / Green Arrow (voice)

P.J. Byrne

Firestorm (voice)

Mark Hamill

Swamp Thing (voice) / The Joker (voice)

Stephen Tobolowsky

Professor Stein (voice)

James Woods

Lex Luthor / Repulse (voice) / Lex Luthor (voice)

Khary Payton

Cyborg / Kanjar Ro (voice) / Cyborg (voice)

Dana Snyder

Penguin (voice) / Plastic Man (voice) / Plastic Man / Penguin (voice)

Tara Strong

Harley Quinn / Ember (voice) / Lois Lane (voice) / Harley Quinn (voice) / Kid Batman (voice) / Dr. Harleen Quinzel / Harley Quinn (voice)

Lacey Chabert

Zatanna (voice)

Charlie Schlatter

The Flash (voice)

Patton Oswalt

Space Cabbie (voice)

Damian O'Hare

Constantine (voice) / John Constantine / Abnegazar (voice) / Constantine / Mr. Anderson (voice)

Troy Baker

Hawkman (voice) / Hawkman / Jonas Glim (voice) / Kanto (voice) / Hawkman / Kanto (voice)

John DiMaggio

Lobo (voice) / Mongul (voice)

Jerry O'Connell

Ray Palmer / The Atom (voice) / Atom (voice)

Natalie Lander

Stargirl (voice) / Stargirl / Timmy (voice)

Jonathan Adams

Darkseid (voice)

Sean Astin

Billy Batson / Shazam (voice) / Shazam / Billy (voice)

Laura Post

Big Barda (voice) / Circe (voice)

Fred Tatasciore

Robot (voice) / Solomon Grundy (voice)

Cloris Leachman

Granny Goodness (voice)

Josh Keaton

Hal Jordan / Green Lantern (voice)

Jon Cryer

Felix Faust (voice)

Gilbert Gottfried

Mr. Mxyzptlk (voice)

Gary Cole

Black Adam (voice)

Dan Donohue

Brother Night (voice) / Brother Night / Merlin (voice)

Patrick Seitz

Jason Blood / Etrigan the Demon / Merlin (voice) / Jason Blood / Etrigan (voice)

Jake T. Austin

Blue Beetle (voice)

Max Mittelman

Jimmy Olsen (voice) / Jimmy Olsen / Parasite (voice)

Trevor Devall

Cain (voice) / Jonah Hex (voice)

Piotr Michael

Perry White / Bruno Mannheim / Kalibak (voice) / Kalibak / Perry White (voice)

John de Lancie

Brainiac (voice)

Jasika Nicole

Vixen (voice)

Noel Fisher

Klarion the Witch Boy (voice)

Crispin Freeman

Martian Manhunter (voice)

Oliver Vaquer

Mr. Mind (voice)

Hannibal Buress

Michael Holt / Mister Terrific (voice)

Ely Henry

Noah Kuttler / Calculator (voice)

David Sobolov

Gorilla Grodd (voice)

Fryda Wolff

Faora (voice)

Andy Richter

Chronos (voice)

Ken Jeong

Toyman (voice)

Michael Dorn

Atrocitus (voice)

Joanne Spracklen

Supergirl (voice)