Suggestions by @cerobertson

Tod Thawley

as Tenzin in Avatar Universe

Dana Jeffrey

as Princess Yue in Avatar Universe

Ross Butler

as Bolin in Avatar Universe

Alex Landi

as Mako in Avatar Universe

Alisa Allapach

as Asami in Avatar Universe

Linsay Willier

as Avatar Korra in Avatar Universe

Gemma Chan

as June in Avatar Universe

Cary-Hiroyuki Tagawa

as Uncle Iroh in Avatar Universe

Avan Jogia

as Sokka in Avatar Universe

Devery Jacobs

as Katara in Avatar Universe

Forrest Wheeler

as Avatar Aang in Avatar Universe

Arden Cho

as Suki in Avatar Universe

Kelly Marie Tran

as Ty Lee in Avatar Universe

Shioli Kutsuna

as Toph Beifong in Avatar Universe

Ken Leung

as Uncle Iroh in Avatar Universe

Ken Watanabe

as Firelord Ozai in Avatar Universe

Kara Wang

as Mai in Avatar Universe

Lily Ji

as Azula in Avatar Universe

Takayuki Suzuki

as Zuko in Avatar Universe

Lily Collins

as Sandraliene Fa Toren in Circle of Magic