Superman: A Better Tomorrow

 was an American animated action-adventure superhero television series based on  by DC Comics, being developed by TBD. It was produced by DC Entertainment and Warner Bros. Animation and it aired on Cartoon Network from June 17th, 2012 to April 30th, 2016.

Synopsis
Clark Kent has come to terms with his alien heritage as he decides to defend Metropolis from multiple supervillains, several of them being tied to his homeworld of Krypton, while also dealing with his job at the Daily Planet.

Main

 * Kal-El/Clark Kent/Superman (voiced by Josh Keaton) - a noble alien from the planet of Krypton who arrives on Earth and decides to become a superhero known as Superman while also dealing with his job at the Daily Planet.

Supporting

 * Lois Lane (voiced by Felicia Day) - a cocky and nosey reporter who works for the Daily Planet as she is Clark's partner as she both considers Superman to be interesting and also has a very awkward crush on Clark.
 * James "Jimmy" Olsen (voiced by Jack DeSena) - an energetic and nerdy photographer who is Clark and Lois' other partner as he also has a friendship with Superman, considering him to be his best friend.
 * Perry White (voiced by Paul Eiding) - the owner and head editor of the Daily Planet who can get somewhat overboard with his obsession with stories, although he likes Clark like a son.
 * Steve Lombard (voiced by Doug Lawrence) - a cocky and egotistical sports reporter who likes to pull pranks on his coworkers, although he considers Clark his best friend.
 * Ron Troupe (voiced by Dave Fennoy) - a more intellectual and rather cynical political analyst working for the Daily Planet as he isn't the biggest fan of Superman.
 * Catherine "Cat" Grant (voiced by Hynden Walch) - a flirtatious and bubbly gossip columnist working for the Daily Planet who has a crush on Superman, finding him to be rather cute.
 * Gen. Sam Lane (voiced by Miguel Ferrer) - an overprotective general who is both Lois' father and a rival to Superman, believing that nobody deserves that much power.
 * Jonathan and Martha Kent (voiced by Clancy Brown and Jennifer Hale, respectively) - Clark's friendly and nurturing parents who helped raise him into being a hero as they willingly let him go to Metropolis and occasionally visit him.
 * Matrix/Kara Danvers/Supergirl (voiced by Kari Wahlgren) - an android designed by Jor-El to be a protector of Earth in case Kal-El fails as she ends up crashing on Earth multiple years after Kal did as she soon learns of the Superman and wants to study under him to become stronger and a true protector of Earth.
 * Maxima (voiced by Grey Griffin) - an alien warlord who has been traveling the galaxy to find a strong warrior to make her husband, catching her eyes on Superman as she occasionally clashes and occasionally works with him, while wanting to make him hers.
 * Lori Lemaris (voiced by Ashley Eckstein) - a bubbly mermaid who met and befriended Clark during his time at Smallville as she reunites with Clark after working with Aquaman to try and track down a super threat known as the King Shark.

Guest stars

 * Arthur Curry/Aquaman (voiced by TBD) - the focused king of Atlantis who learns of King Shark residing in Metropolis as he heads to capture King Shark alongside Lori Lemaris, working with Superman.
 * Billy Batson/Captain Marvel (voiced by Lara Jill Miller as Billy and Eric Loomis as Captain Marvel) - TBD
 * Orion (voiced by TBD) - the aggressive son of Darkseid who was raised by the New Gods of New Genesis as he wants to hunt after his father's forces, encountering and forming a sort of an alliance with Superman.
 * Zatanna Zatara (voiced by Danica McKellar) - TBD

Antagonists

 * Alexander "Lex" Luthor (voiced by James Arnold Taylor) - a cold and egotistical scientist and the CEO of LexCorp who is heavily distrusting of aliens as he learns of Superman and becomes obsessed with getting rid of Superman, becoming his arch-nemesis.
 * Mercy Graves (voiced by Kelly Hu) - Lex's emotionless assistant and chaffeur who is loyal to him and often aids him in his sinister schemes against Superman.
 * Bizarro (also voiced by Josh Keaton) - an imperfect clone of Superman who was made by Lex Luthor to be his own personal Superman although he starts to grow a little more hostile and dangerous.
 * Henry Miller/Atom Man
 * Vril-Dox/Brainiac (voiced by Yuri Lowenthal) - a calculating Kryptonian supercomputer who gained sentience as well the obsession with collecting planets and their lifeforms as he was responsible for destroying Krypton and wants to now "collect" Earth as well as the last Kryptonian.
 * General Dru-Zod (voiced by Matthew Mercer) - a psychotic rogue Kryptonian general who was banished to the Phantom Zone as he breaks free from his banishment and learns of Krypton's destruction and now wants to rebuild Krypton, using Earth as a basis. After learning of Superman, he begins to despise him, seeing him as a disgrace to Krypton.
 * Faora (voiced by Vanessa Marshall) - a sadistic Kryptonian general who is Zod's second-in-command as she is deathly loyal to him and willing to do anything for him.
 * Jax-Ur (voiced by TBD) - an unethical Kryptonian scientist who was one of the scientists responsible for creating Brainiac as he went mad, wanting to "rebirth Krypton", being banished in the Phantom Zone until he broke out alongside Zod, joining him.
 * Non (voiced by Tony Todd) - a terrifying and brutal Kryptonian criminal who claims to have hurt many as he joins Zod's forces to rebuild Krypton.
 * John Corben/Metallo (voiced by Fred Tatasciore) - an egotistical rival reporter to Clark who has an obsession with Lois as well as being secretly a thief as after getting disfigured, his body got found by Lex Luthor and transformed into a cyborg with a Kryptonite heart as he both wants to make Lois' his forever as well as wanting to destroy the Superman.
 * Gerald Shugel/The Ultra-Humanite (voiced by TBD) - a power-obsessed scientist who claims to be the smartest mind in the world as he is obsessed with moving his mind into stronger bodies, eventually residing inside of the body of an ape.
 * Lobo (voiced by John DiMaggio) - a mad and violence-loving alien bounty hunter who has been looking for thrills and a worthy opponent to face, soon beginning to clash against Superman, becoming a rival against him.
 * Winslow Schott/Toyman (voiced by Eric Bauza) - a psychotic and playful inventor who is obsessed with toys as he often builds dangerous toys and becomes a dangerous threat to Superman.
 * Leslie Willis/Livewire (voiced by Alyson Stoner) - an aggressive shock jock who despises Superman and sees his "symbol of hope" deal to be trashy lies as she ends up transforming into living electricity, now wanting to be Metropolis' "true hero".
 * Mister Myxztplk (voiced by Patton Oswalt) - a playful and mischievous fifth dimensional Imp who grew bored residing in his dimension and wants to just cause chaos, as his chaotic schemes often get stopped by Superman.
 * Rudolph "Rudy" Jones/Parasite (voiced by TBD) - a lazy Daily Planet janitor who ends up transforming into a pink monster that can leech energy off of people, now becoming hungry for more and more energy.
 * Robert Dubois/Bloodsport (voiced by Kevin Michael Richardson) - a big game hunter who has gone bored from hunting after animals as he learns of Superman and gets sponsored by Lex Luthor to hunt after him, using tech built around Kryptonite.
 * Tobias Manning/The Terra-Man (voiced by TBD) - a cowboy from the 19th century who was warped to modern day due to alien tech as he becomes a gun for hire, clashing against Superman while adjusting to the modern life.
 * Albert Michaels/Atomic Skull (voiced by TBD) - a megalomaniacal terrorist leader who leads the organization known as S.K.U.L.L. as he can emit radioactive energy as he wants to be heralded as a god.
 * Atlas (voiced by TBD) - a legendary hero from a fantasy world centuries ago as he gets warped to modern times, wanting to fight strong and dangerous opponents, learning of Superman and wanting to destroy him.
 * Siobahn McDougal/Silver Banshee (voiced by TBD) - a psychopathic Irish woman who was given a curse that turns her into a banshee with a deadly scream, having a hunger for violence.

Guest stars

 * Namue/King Shark (voiced by TBD) - a Hawaiian man who was transformed into the shark god, King Shark, having been targeting both Atlantis and the surface world, becoming a threat to both Aquaman and Superman.
 * [Apokalips villain for Orion: Female Furies]

Episodes
See List of episodes.