Suggestions by @lilys_casting

Danny Pino

as The Mechanist in Avatar: The Last Airbender

Cary-Hiroyuki Tagawa

as Tyro in Avatar: The Last Airbender

Riley Lio

as Haru in Avatar: The Last Airbender

Deric McCabe

as The Duke in Avatar: The Last Airbender

Forrest Wheeler

as Longshot in Avatar: The Last Airbender

Aubrey Anderson-Emmons

as Smellerbee in Avatar: The Last Airbender

Hudson Yang

as Pipsqueak in Avatar: The Last Airbender

Kekoa Kekumano

as Jet in Avatar: The Last Airbender

Jackie Chan

as King Bumi in Avatar: The Last Airbender

Miyako

as Toph Beifong in Avatar: The Last Airbender

Robin Padilla

as Master Piandao in Avatar: The Last Airbender

Dave Bautista

as Combustion Man in Avatar: The Last Airbender

Brandon Soo Hoo

as Prince Lu Ten in Avatar: The Last Airbender

BD Wong

as Sozin in Avatar: The Last Airbender

Hiroyuki Sanada

as Master Jeong Jeong in Avatar: The Last Airbender

John Woo

as Azulon in Avatar: The Last Airbender

Zoe Manarel

as Mai in Avatar: The Last Airbender

Tantoo Cardinal

as Hama in Avatar: The Last Airbender

Grace Dove

as Kya in Avatar: The Last Airbender

Michael Spears

as Bato in Avatar: The Last Airbender