Suggestions by @mistquill

Eddie Redmayne

as Wan Shi Tong in The Worst Avatar Fancast

Daniel Radcliffe

as Wan in The Worst Avatar Fancast

Caitlyn Jenner

as Yangchen in The Worst Avatar Fancast

CupcakKe

as Naga in The Worst Avatar Fancast

Nicki Minaj

as P'Li in The Worst Avatar Fancast

Manny Jacinto

as Haru in The Worst Avatar Fancast

Halsey

as Rangi in The Worst Avatar Fancast

Kanye West

as Kuruk in The Worst Avatar Fancast

Cassandra Peterson

as Mai in The Worst Avatar Fancast

Rosie O'Donnell

as Kyoshi in The Worst Avatar Fancast

Scarlett Johansson

as Kuvira in The Worst Avatar Fancast

Miriam Margolyes

as Hama in The Worst Avatar Fancast

Lena Dunham

as Combustion Man in The Worst Avatar Fancast

Bhad Bhabie

as Appa in The Worst Avatar Fancast

Trisha Paytas

as Asami Sato in The Worst Avatar Fancast

Nicolas Cage

as Amon in The Worst Avatar Fancast

Dawn French

as Hou-Ting in The Worst Avatar Fancast

Jennifer Lawrence

as Korra in The Worst Avatar Fancast

Trisha Paytas

as Azula in The Worst Avatar Fancast

Kanye West

as Male Lead in Worst Movie