Aquaman / Green Lantern / John Stewart / Lucius Fox (voice) (as Phil Lamarr)
Black Canary (voice)
Cyborg / Grid (voice)
The Flash / Barry Allen (voice)
Green Lantern / Hal Jordan / Sub-Zero / Victor Zsasz (voice)
Supergirl (voice)
Bane / Martin Stein / Swamp Thing (voice)
Robin / Damian Wayne (voice)
Brainiac (voice)
Captain Cold (voice)
Deadshot (voice) (as Matt Mercer)
Gorilla Grodd (voice)
Poison Ivy (voice)
Reverse-Flash / Brainiac 5 (voice)
Power Girl (voice)
Vixen (voice)
Bizarro (voice)
The Joker / Raiden (voice)
Starfire (voice)
Darkseid (voice) (as Michael Leon Wooley)
Batman (voice)
Blue Beetle / Jaime Reyes (voice) (as Antony del Rio)
Dr. Fate (voice)
Green Arrow (voice)
Firestorm (voice)
Superman (voice)
Wonder Woman (voice)
Atrocitus (voice)
Black Adam (voice)
Catwoman / Alura Zor-El (voice)
Cheetah (voice)
Harley Quinn / Dr. Randall (voice)
Scarecrow (voice)
Mr. Freeze (voice)
The Flash (Golden Age) / Jay Garrick (voice)
The Atom / Ryan Choi (voice) (as Matt Yang King)
Red Hood / Jason Todd (voice)
Brother Eye / Announcer (voice)
June Moone / Enchantress (voice)
Black Manta / Black Lightning (voice)
Hellboy (voice)
Leonardo (voice)
Donatello (voice)
Michelangelo (voice)
Raphael (voice)