Suggestions by @melonius

Jamie Bell

as Truman Burbank in Almost Cast: The Truman Show

Andrew Garfield

as Truman Burbank in Almost Cast: The Truman Show

Charlie Bushnell

as Terry McGinnis in Batman Beyond Live Action

Gareth Edwards

as Director in DUNE

Brandon Routh

as Clark Kent/Superman in Nolanverse DCEU: Batman Begins

Josh Hartnett

as Clark Kent/Superman in Nolanverse DCEU: Batman Begins

Djimon Hounsou

as Gorilla Grodd in Rogues

Theo Rossi

as Heat Wave in Rogues

Ving Rhames

as Gorilla Grodd in Rogues

Gerard Butler

as Vandal Savage in Rogues

Ed Skrein

as Captain Cold in Rogues

Jamie Flatters

as Nightwing in Teen titans (dcu)

Numan Acar

as Stilgar in DUNE

Frances McDormand

as Reverend Mother Gaius Helen Mohiam in DUNE

Richard Armitage

as Count Hasimir Fenring in DUNE

Thomasin McKenzie

as Princess Irulan Corrino in DUNE

Ralph Fiennes

as Padishah Emperor Shaddam Corrino IV in DUNE

Pilou Asbæk

as Glossu ‘Beast’ Rabban in DUNE

Toby Kebbell

as Piter de Vries in DUNE

Liev Schreiber

as Gurney Halleck in DUNE