Suggestions by @ringothedrummer

Liev Schreiber

as Atrocitus in The Green Lantern Corps: Sinestro Corps War

Spoiler

as Atrocitus in The Green Lantern Corps: Sinestro Corps War

Daniel Malik

as Parallax in The Green Lantern Corps: Sinestro Corps War

Spoiler

as Parallax in The Green Lantern Corps: Sinestro Corps War

John Hannah

as Ganthet in The Green Lantern Corps: Sinestro Corps War

Peter Guinness

as Ampa Nnn in The Green Lantern Corps: Sinestro Corps War

Derek Mears

as Arkillo in The Green Lantern Corps: Sinestro Corps War

Cate Blanchett

as Saint Walker in The Green Lantern Corps: Sinestro Corps War

Ving Rhames

as Kilowog in The Green Lantern Corps: Sinestro Corps War

Tom Hollander

as Tomar-Re in The Green Lantern Corps: Sinestro Corps War

Danny Ramirez

as Kyle Rayner in The Green Lantern Corps: Sinestro Corps War

Wyatt Russell

as Guy Gardner in The Green Lantern Corps: Sinestro Corps War

Sonoya Mizuno

as Katma Tui in The Green Lantern Corps: Sinestro Corps War

Riley Keough

as Carol Ferris in The Green Lantern Corps: Sinestro Corps War

Michelle La

as Soranik in The Green Lantern Corps: Sinestro Corps War

John Cho

as Thaal Sinestro in The Green Lantern Corps: Sinestro Corps War

Ryan Gosling

as Hal Jordan in The Green Lantern Corps: Sinestro Corps War

Yahya Abdul-Mateen II

as Green Lantern in The Green Lantern Corps: Sinestro Corps War

David Lowery

as Stephen King in The Dark Tower

Osgood Perkins

as Stephen King in The Dark Tower