Justice League: Action is an American animated television series based on the DC Comics superhero team Justice League. The series is produced by Jim Krieg, Butch Lukic, and Alan Burnett and debuted on Cartoon Network UK on November 26, 2016, and premiered in the United States on Cartoon Network on December 16, 2016.
Starring the Voices of
- Jonathan Adams as Darkseid (ep24)
- John Astin as Dudley (ep49)
- Sean Astin as Shazam/Billy (ep49)
- Jake T. Austin as Blue Beetle
- Diedrich Bader as Booster Gold (ep23)
- Troy Baker as Hawkman, Jonas (ep1), Kanto (ep24)
- Dayci Brookshire as Kid Zatanna (ep9)
- Hannibal Buress as Mr. Terrific (ep39)
- PJ Byrne as Firestorm
- Lacey Chabert as Zatanna
- Kevin Conroy as Batman
- Jon Cryer as Felix Faust
- Darin De Paul as Sinestro (ep37)
- Trevor Devall as Cain (ep9), Jonah Hex (ep22)
- Chris Diamantopoulos as Green Arrow (ep18), Hive Master (ep18)
- John DiMaggio as Lobo, Mongul (ep4)
- Melissa Disney as Brat (ep2), Mom (ep2)
- Dan Donohue as Brother Night, Merlin (ep10)
- Michael Dorn as Atrocitus (ep15)
- Noel Fisher as Klarion the Witch Boy
- Crispin Freeman as Martian Manhunter (ep32)
- Gilbert Gottfried as Mr. Mxyzptlk
- Grey Griffin as Navigational System (ep48)
- Julianne Grossman as Hippolyta (ep12)
- Mark Hamill as Joker (ep4), Swamp Thing
- Ely Henry as Calculator (ep39)
- Gillian Jacobs as Roxy Rocket (ep24)
- Ken Jeong as Toyman (ep7)
- Peter Jessop as Steppenwolf (ep6)
- Josh Keaton as Green Lantern
- Rachel Kimsey as Bleez (ep15), Diana Prince/Wonder Woman, Sis (ep2)
- John de Lancie as Brainiac
- Natalie Lander as Stargirl, Timmy (ep26)
- Natasha Leggero as Poison Ivy (ep21)
- Thomas Lennon as Amazo (ep32)
- Jason J. Lewis as Biff (ep2), Boss Kack (ep1), Chancellor Al-On (ep20), Clark Kent/Superman, Desaad (ep24), Falcone (ep5), Red Tornado (ep17), Zod (ep14)
- Erica Luttrell as Kid Dr. Fate (ep9)
- Jasika Nicole as Vixen
- Jerry O'Connell as Atom
- Damian O'Hare as Constantine, Mr. Anderson (ep26)
- Patton Oswalt as Space Cabbie
- Khary Payton as Cyborg, Kanjar Ro (ep22)
- Robert Picardo as Harvey Dent/Two-Face (ep19)
- Laura Post as Big Barda (ep6), Circe (ep12)
- Paula Rhodes as Kid Constantine (ep9)
- Andy Richter as Chronos (ep5)
- William Salyers as Virman Vunderbar (ep6)
- Charlie Schlatter as Flash
- Patrick Seitz as Etrigan, Jason Blood, Merlin (ep11)
- Armin Shimerman as Zilius Zox (ep15)
- Kevin Shinick as Dad (ep2)
- Christian Slater as Deadshot (ep19)
- David Sobolov as Gorilla Grodd (ep25)
- Peter Stormare as Mr. Freeze (ep16)
- Tara Strong as Ember (ep10), Harley Quinn, Kid Batman (ep9)
- Mena Suvari as Killer Frost (ep16)
- Dana Synder as Penguin (ep19), Plastic Man
- Fred Tatasciore as Robot (ep13), Solomon Grundy (ep3)
- Stephen Tobolowsky as Professor Stein
- Oliver Vaquer as Mr. Mind
- Jessica Walter as Athena (ep18)
- Jim Ward as The Brain (ep39)
- Travis Willingham as Bizarro (ep32)
- Fryda Wolff as Faora (ep14)
- James Woods as Lex Luthor/Repulse