Earth's mightiest heroes unite against the forces of evil.
- Justice League of America:
- Superman (David Kaufman for teenager, Kevin Sorbo for adult) - The Man of Steel and the leader of the team.
- Batman (Steve Blum) - The Dark Knight, mentors to both Robin and Static, relationship with Wonder Woman.
- Wonder Woman (Tara Strong) - The Princess of Paradise Island, and has a relationship with Batman.
- Captain Marvel (Cam Clarke for Captain Marvel, Chris Pratt for Billy) - The World's mightiest mortal, who is secretly 17-year old, Billy Baton, and is friends with Aquaman's daughter, Dawn.
- Martian Manhunter (Rick D. Wasserman) - The Watchtower watcher, who is helping the JLA on missions.
- Green Lantern (Wally Wingert) - Alias Hal Jordan, the Green Lantern, and Robin's Idol.
- Flash (Neil Patrick Harris) - Alias Barry Allen, the Scarlet Speedster.
- Fire and Ice (Cree Summer and Maggie Blue O'Hara) - Beatriz da Costa, alias Fire, and Tora Olafsdotter, alias Ice as two best friends for the JLA.
- Green Arrow (Chris Cox) - The Emerald Archer, a rival to Batman, and boyfriend to Black Canary.
- Black Canary (Morena Beccerin) - Alias Dinah Laurel Lance, daughter of Dinah Drake Lance, and girlfriend to Green Arrow, and best friends with Katana.
- Plastic Man (Tom Kenny) - Former Criminal, Eel O'Brien, helper to Batman, but sometimes distracted by money.
- Katana (Lauren Tom) - Alias Tatsu Yamashiro, best friends with Black Canary.
- Junior members:
- Robin (James Arnold Taylor) - Alias Tim Drake, the 3rd Robin and 3rd sidekick to Batman and fan of Hal Jordan.
- Static (Alimi Ballard) - Helper to Batman, as he is mentored by him and Hal Jordan.
- Supergirl (Liza Jacqueline) - Alias Kara Zor-El, 15-year old cousin of Superman and dreams of being a mermaid so that she would be close to Jerro.
- Cyborg (Khary Payton)
- Lois Lane (Grey DeLisle) - Superman's love interest, and reporter at the Daily Bugle
- Jimmy Jones (Yuri Lowenthal) - Superman's pal
- Perry White (Wallace Shawn) - Superman's boss at the Daily Planet
- Alfred Pennyworth (David McCallum) - Bruce's butler
- Hippolyata (Susan Blakeslee) - Wonder Woman's mother
- Mary Batson (Ariel Winter) - Billy's baby sister
- Commissioner James Gordon (Gary Oldman) - trusts Batman, he had Detective John Jones aid Batman
- Sgt. Harvey Bullock (Keith Szarabajka)
- Carol Ferris (Kari Wahlgren) - Hal Jordan's girlfriend
- Iris West (Molly Quin) - Barry Allen's wife
- Princess Dawn Curry (Maggie Blue O'Hara) - Aquaman's daughter, and friend to Captain Marvel
- Dick Grayson/ Nightwing (Troy Baker) - Batman's former Robin!
- Starfire (Jodi Benson) - Acts as the Reserve Member!
- Brainiac (Corey Burton) - the cause of Krypton's destruction
- Lex Luthor (Mark Rolston)
- Cheetah (Claudia Black)
- Bizzaro (David Kaye)
- Gorilla Grodd (Travis Willingham)
- Solomon Grundy (Corey Burton)
- Black Manta (Keith David)
- Sinestro (Troy Baker)
- Toyman (John DiMaggio)
- Giganta (Jennifer Hale)
- Captain Cold (Steven Blum)
- The Riddler (Wally Wingert)
- The Scarecrow (John Kassir)
Season 1: 2014Edit
|1||Man of Steel||After being sent to Earth by his parents, Jor-El and Lara Lor-Van from the destruction of Brainiac, Clark Kent grows up to be Superman, and later meets his cousin, Kara Zor-El into defeating Lex Luthor.|
|2||The Dak Knight||Bruce Wayne loses his parents at age 10, and at age 14, he goes on a seven-year absence and returns at age 20, and starts becoming the vigilante hero known as Batman, as he had his fight with the Joker, and he brings Dick Grayson into his cowl as Robin, and later, when Robin was 17, he left to become Nightwing, while Bruce trains Tim Drake, who has deduced both identities.|
|3||The Emerald Knight||Hal Jordan is summoned by a dying Abin Sur into taking his ring to defeat Krona.|
|4||The Scarlet Speedster and The Princess of Themyscera||Barry Allen becomes struck with lightning and becomes the Flash to take down the Turtle. While, Diana Prince goes to Man's world after revealing her identity in a game.|
|5||The Emerald Archer and The Bird of Beauty||Oliver Queen gets stranded into an island, and becomes markmanship, and Dinah Laurel Lance succeeds her mother.|
|6||The Living Volt and Earth's Mightiest Mortal||Virgil Hawkins gets stuck at the bus station while he accidently slips on some chemicals which creates an explosion of gas, Billy Batson has issues at school when he slips into a cave and meets a wizard|
|7||Rise of Justice, part 1||Both Batman and Superman are called to Area 51 to Interrogate an alien who claiming the world will be destroyed in a day. After learning he's right, they quickly release the alien and seperate to gather the Heroes of Earth.|
|8||Rise of Justice, part 2||With Earth's heroes now united, they can turn their attention towards the White Martian threat. But calling themselves a team my be harder than being a team.|
|9||Technollogy inside||When The Royal Flush gang attack a Metropollis football game, the newly-formed Justice League takes them down. But an explosion during the battle nearly takes the life of QB Victor Stone, whose father is Silas Stone, head scientist of S.T.A.A.R Labs. He is able to save his son by replacing his damaged bone and tissue with robotic machinery and state-of-the-art weaponry. But a virus upload turns him into a living weapon with the intention of destroying the Justice League.|