Suggestions by @parzivaljoker

Ken Watanabe

as Alfred Pennyworth in Justice League: Gods and Mortals

Aaron Taylor-Johnson

as Aquaman in Justice League: Gods and Mortals

Delroy Lindo

as Colonel Steve Trevor in Justice League: Gods and Mortals

Timothy Olyphant

as Hal Jordan in Justice League: Gods and Mortals

Melissa Barrera

as Barbara Gordon in Justice League: Gods and Mortals

Sterling K. Brown

as The Martian Manhunter in Justice League: Gods and Mortals

Kid Cudi

as Green Lantern in Justice League: Gods and Mortals

Laura Harrier

as Wonder Woman in Justice League: Gods and Mortals

Alexander Skarsgård

as Batman in Justice League: Gods and Mortals

Jonathan Majors

as Superman in Justice League: Gods and Mortals

Steven Caple Jr.

as Director in The Green Lantern Corps

Tim Roth

as "An Old Friend" in The Green Lantern Corps

Spoiler

as "An Old Friend" in The Green Lantern Corps

Michael Wincott

as Legion in The Green Lantern Corps

Spoiler

as Legion in The Green Lantern Corps

Giancarlo Esposito

as Ganthet in The Green Lantern Corps

Ving Rhames

as Kilowog in The Green Lantern Corps

Alan Cumming

as Tomar-Re in The Green Lantern Corps

Ke Huy Quan

as Ch'p in The Green Lantern Corps

Damon Herriman

as Kanjar Ro in The Green Lantern Corps