Suggestions by @olliebrie

YaYa Gosselin

as Izumi in Avatar Adults Fancasting

Alan S. Kim

as Tenzin in Avatar Adults Fancasting

Tyler Wladis

as Bumi in Avatar Adults Fancasting

Audyssie James

as Kya in Avatar Adults Fancasting

Michael Spears

as Sokka in Avatar Adults Fancasting

Hiroshi Tamaki

as Zuko in Avatar Adults Fancasting

Tang Wei

as Toph in Avatar Adults Fancasting

Daniel Henney

as Aang in Avatar Adults Fancasting

Julia Jones

as Katara in Avatar Adults Fancasting

Haley Lu Richardson

as Nina Zenik in Grishaverse

Shameik Moore

as Jesper Fahey in Grishaverse

Thomas Doherty

as Kaz Brekker in Grishaverse

Simone Ashley

as Inej Ghafa in Grishaverse

Lia Marie Johnson

as Nadia in Grishaverse

Nat Wolff

as David Kostyk in Grishaverse

Hoyeon

as Tamar Kir Bataar in Grishaverse

Madelaine Petsch

as Genya Safin in Grishaverse

Isabelle Fuhrman

as Zoya Nayzalensky in Grishaverse

Jordan Fisher

as Nikolai Lantsov in Grishaverse

Theo James

as The Darkling in Grishaverse