Suggestions by @lilys_casting

Roman Reigns

as The Boulder in Avatar: The Last Airbender

Donnie Yen

as Master Yu in Avatar: The Last Airbender

Brian Tee

as Xin Fu in Avatar: The Last Airbender

Amy Okuda

as Joo Dee in Avatar: The Last Airbender

Chin Han

as Grand Secretariat Long Feng in Avatar: The Last Airbender

Lyrica Okano

as June in Avatar: The Last Airbender

Randall Park

as Earth King Kuei Hou-Ting in Avatar: The Last Airbender

Marcel Ruiz

as Teo in Avatar: The Last Airbender

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