Appearing in "Terrors"
- Amanda Waller (First appearance)
- Cat Grant
- Justice League
- The Light
- Hugo Strange (First appearance)
- Abra Kadabra
- Blockbuster (Mark Desmond)
- Brick (Daniel Brickwell)
- Captain Cold (Len Snart)
- Devastation (First appearance)
- Headmaster (First appearance) (mentioned only)
- Icicle, Sr. (Joar Mahkent) (First appearance)
- Icicle, Jr. (Cameron Mahkent)
- Killer Frost (Crystal Frost)
- Mammoth (Baran Flinders)
- Mister Freeze (Victor Fries)
- Professor Anthony Ivo
- Professor Ojo
- Riddler (Edward Nigma) (First appearance)
- Shimmer (Selinda Flinders)
- Tommy and Tuppence Terror
Synopsis for "Terrors"
Batman assigns Superboy and Miss Martian to go undercover inside Belle Reve Penitentiary, a federal prison designed to house the world’s worst super-villains.
- No trivia.
- 6 Images from Young Justice (TV Series) Episode: Terrors
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Links and References