Suggestions by @xoinks

Timothée Chalamet

as Harry Osborn in The Spectacular Spider-Man

Yaya DaCosta

as Diana of Themyscira in DCEU (Race Change)

Cameron Monaghan

as Cletus Kasady in Venom(2018)

Noah Schnapp

as Eddie Kaspbrack in Cary Fukunaga's "IT"

Caleb McLaughlin

as Mike Hanlon in Cary Fukunaga's "IT"

Ty Simpkins

as Will Denbrough in Cary Fukunaga's "IT"

Will Poulter

as Pennywise in Cary Fukunaga's "IT"

Cary Joji Fukunaga

as Director in Cary Fukunaga's "IT"

Ty Simpkins

as Bill Denbrough in IT

Levi Miller

as Simon in Lord of the Flies

Peter Dinklage

as Yoda in Han Solo: A Star Wars Story

Thomas Mann

as Greedo in Han Solo: A Star Wars Story

Thomas Mann

as Mark Hammil in I've Got a Bad Feeling About This

James Franco

as Timon in The Lion King

Thomas Mann

as Wade Owen Watts in Ready Player One

David Mazouz

as Jack in Lord of the Flies

Ty Simpkins

as Roger in Lord of the Flies

Ty Simpkins

as Ralph in Lord of the Flies

Gaten Matarazzo

as Piggy in Lord of the Flies

Finn Wolfhard

as Jack in Lord of the Flies