8 suggestions

Willem Dafoe
as Riddler in Teen Titans

Mark Hamill
as Trickster in Teen Titans

Danny DeVito
as Penguin in Teen Titans

Joaquin Phoenix
as Joker in Teen Titans

Maya Hawke
as Raven in Teen Titans

Gaten Matarazzo
as Beast Boy in Teen Titans
Emma Berman
as Starfire in Teen Titans

Khalil Everage
as Cyborg in Teen Titans