Suggestions by @rover

Jacob Bertrand

as Kai smith in Ninjago in Live-Action

Victoria Justice

as Megara in Hercules (Live Action)

Sean Bean

as Zeus in Hercules (Live Action)

Joshua Bassett

as Hercules in Hercules (Live Action)

Steve Carell

as Hades in Hercules (Live Action)

Donnie Yen

as Yang in Ninjago in Live-Action

Rowan Blanchard

as Chamille in Ninjago in Live-Action

Woody Harrelson

as Kozu in Ninjago in Live-Action

Bradley Cooper

as Samukai in Ninjago in Live-Action

Grant Gustin

as Griffin Turner in Ninjago in Live-Action

Judy Greer

as Koko in Ninjago in Live-Action

Brad Pitt

as Ronin in Ninjago in Live-Action

Sam Worthington

as Samukai in Ninjago in Live-Action

Ansel Elgort

as Ash in Ninjago in Live-Action

Thomas Brodie-Sangster

as Plundar in Ninjago in Live-Action

Logan Lerman

as Clouse in Ninjago in Live-Action

Tom Hardy

as Skalidor in Ninjago in Live-Action

Oscar Isaac

as Cryptor in Ninjago in Live-Action

Keanu Reeves

as Fungus in Ninjago in Live-Action

Vin Diesel

as Karlof in Ninjago in Live-Action