Original Members

• Dick Grayson (Jesse McCartney) is Robin, the protege of Batman and a young genius who uses high-tech gadgets and security hacking. During the hiatus between seasons one and two, he outgrows the Robin identity to become Nightwing.
• Kaldur’ahm (Khary Payton) is Aqualad, an original character and the protege of Aquaman from Atlantis, who can breathe underwater and use hydrokinesis, the ability to increase the local specific density of water and then manipulate its shape.^[5] In season 3, he becomes the second Aquaman.
• Wally West (Jason Spisak) is Kid Flash, the protege of The Flash. He is capable of running at hypersonic speed.^[4] In the Season 2 finale, he seemingly dies saving the world from an alien bomb. He is later seen in hallucinations by various characters in Season 3.
• Superboy (Nolan North) is a kryptonian-human hybrid who is a genomorph clone of Superman, and shares several of his abilities. He later takes the human name of Conner Kent.
• M’gann M’orzz or Megan Morse (Danica McKellar) is Miss Martian, the niece of Martian Manhunter. Like her uncle, she has unusually strong telekinetic, empathic and telepathic abilities as well as flight under her own willpower, and shape-shifting. In season 1, she lacks the natural Martian ability of intangibility (called “Density Shifting” by Martians) as it is a very advanced technique, but has since mastered it.
• Artemis Crock (Stephanie Lemelin) is the protegee of Green Arrow, although she initially pretends to be his niece to the Team, and a highly athletic expert archer.^[15] She takes on the identity of Tigress during most of Season Two and for the entire third Outsiders season.

Additional Members

Season One

• The Sphere, a sentient machine from the distant planet of New Genesis, who can take various forms. It is usually used by the Team as transport, but fights alongside them as well. It develops a strong relationship with Superboy.
• Wolf (Dee Bradley Baker) is an oversized Indian wolf who becomes Superboy’s pet after being freed from mind control during one of their missions.
• Roy Harper / Will Harper (Crispin Freeman) is Red Arrow, formerly Speedy, another protege of Green Arrow who initially declines joining the Team, but ultimately does before becoming a member of the Justice League. In Season 3, he goes by the name Will Harper.
• Zatanna (Lacey Chabert) is the daughter of Zatara and a skilled magician. During the hiatus between seasons one and two, she leaves the Team to join the Justice League.
• Raquel Ervin (Kittie and later Denise Boutte) is Rocket, who is capable of kinetic energy manipulation, usually to create a shield. Like Zatanna, she leaves the team and joins the Justice League between the Season One finale and the Season Two premiere.

Season Two: Invasion

• Jaime Reyes (Eric Lopez) is Blue Beetle, a superhero who became infected with an alien scarab that provides him with powerful armor but is often in conflict with Beetle’s own interests.
• Garfield Logan (Logan Grove in Invasion, Greg Cipes in Outsiders) is Beast Boy. He is initially introduced in season one as an ordinary child who becomes Miss Martian’s adoptive brother. During the hiatus between seasons one and two, he acquires shape shifting abilities similar to hers and joins the Team. In the two-year gap between Season 2 and 3, Gar has left the Team to become an actor and has started a romantic relationship with Queen Perdita, revealing they met at Wally’s funeral.
• Tim Drake (Cameron Bowen) as the new Robin. He is the third Robin to join the team, following Dick Grayson, who became Nightwing, and Jason Todd, who joined and died during the hiatus between seasons one and two.
• Karen Beecher (Masasa Moyo) is Bumblebee, a girl who possesses bee-like wings, uses sonic force blasts, and can shrink to an insect-like size. She originally appears briefly as a civilian in season one.
• Mal Duncan (Kevin Michael Richardson) is a skilled hand-to-hand combatant and Bumblebee’s boyfriend. He later takes the identity of Guardian. He originally appears briefly as a civilian in season one.
• La’gaan (Yuri Lowenthal) is Lagoon Boy, an amphibious citizen of Atlantis highly skilled in water and capable of gaining size like a pufferfish. He originally appeared briefly as a student at the sorcery school in Atlantis in season 1.
• Barbara Gordon (Alyson Stoner) is Batgirl, another protegee of Batman. She originally appears briefly as a civilian in season one. She later becomes Oracle after becoming paralyzed and assists Nightwing.
• Cassie Sandsmark (Mae Whitman) is Wonder Girl, a protegee of Wonder Woman who possesses super-strength, speed, flight, durability, as well as hand-to-hand combat skills.
• Bart Allen (Jason Marsden) is Impulse, a time traveler from the future and the grandson of The Flash. He travels to the present during season two in order to alter history and save Earth from an upcoming apocalypse, joining the Team in the process. Like his grandfather, he can run at hypersonic speed; he can also use his powers to cause molecular vibration on himself, thus allowing him to phase through objects.^[17] He took the title of Kid Flash in the final episode of season 2.
• Roy Harper (Crispin Freeman) is Arsenal, the real Speedy, of whom the above-mentioned Roy Harper is a clone. He previously appeared in season one, following the revelation that he had been abducted and cloned years prior, and kept prisoner since. After being freed and receiving a cybernetic arm from Lex Luthor, he joins the Team but is later fired for his impulsive and unsafe behavior on missions. He is given the chance to rejoin the Team after the Reach is defeated, though ultimately declines in order to be a solo hero.
• Virgil Hawkins (Bryton James) is Static, a young man abducted and experimented on by aliens in season 2, who gains the power of electromagnetism from it. He joins the Team in Episode Forty-Six, “Endgame”, the Season 2 finale. This version’s electromagnetic abilities are colored blue-white; whereas in his own animated TV show, they were a pale purple/lilac. He mentions that “his folks are cool” which implies that his mother, Jean Hawkins, is alive here.

Season Three: Outsiders

• Kelly Stables as Cissie King-Jones / Arrowette. She originally appears briefly as a civilian in Season One.
• Mae Whitman as Stephanie Brown / Spoiler. She originally appeared briefly as a civilian in Season Two.
• Lauren Tom as Traci Thurston / Thirteen
• Troy Baker as Prince Brion Markov/Geo-Force: The younger Prince Twin of Markovia and elder brother to Princess Tara/Terra. He becomes infatuated with “Violet”/Halo. As with his younger sister and uncle Fredric, he exhibits earth-related abilities; capable of controlling lava and magma to create miniature volcanoes and emit bursts of lava from his hands.
• Zehra Fazal as Violet Harper / Halo: A young Quraci metahuman who was nearly buried by Bedlam thugs, believing her to be dead, before she suddenly resurrects herself and is rescued by Tigress; joining the Outsiders as a result. Later on, it is revealed that her real name’s “Gabrielle Daou” and that she was a refugee who used to work for Markovia’s royal family. Despite this, she says her name is “Violet”, after Brion gave her the name after seeing her violet aura. It’s further revealed that “Violet” is actually the spirit of a Mother Box, which inhabited Daou’s body after she was killed by Bedlam’s experiments. During her time with the group, she discovers a vast range of powerful abilities and develops a romantic relationship with the exiled Prince Brion of Markovia.
• Jason Spisak as Forager: A bug-like alien from the world New Genesis. He is eventually given a glamor charm from Zatana for him to take on the human form and alias “Fred Bugg” to go to high school and interact more with the human race. He speaks in the third person.
• Zeno Robinson as Victor Stone / Cyborg: A high school football player hoping to earn a football scholarship. His deeply strained relationship with his father, Dr. Silas Stone, results in him becoming critically and fatally wounded via a massive explosion. To save his life, his father had infused him with the evil cybernetic components of a Father-Box. His left arm, rib cage, and half of his chest now have gray robotic armor, as opposed to his other animated incarnations, showing his wholly robotic except his left face. After Halo was revealed to be host to a Mother-Box, he is now fully purified of his Father-Box’s dark influence.
• Tara Strong as Princess Tara Markov / Terra: Unlike her other animated counterparts, she is the Princess of Markovia and has a German accent as do her elder twin brothers Gregor and Brion/Geo-Force. Her earth-controlling abilities were awakened when her inherent meta-gene was activated at the behest of her power-hungry uncle. Since then she was mind-controlled to carry out the League of Shadows plans. Rescued in the finale of the first saga “True Heroes”, she is revealed to be willingly working with Deathstroke- now leader of the League of Shadows-in order to attain crucial and personal information about the Team to him.