Suggestions by @benanderson

Óscar Jaenada

as "Your new boss" in Green Lantern: The Power of Fear

Spoiler

as "Your new boss" in Green Lantern: The Power of Fear

Miles Teller

as Superman in Green Lantern: The Power of Fear

Ian McDiarmid

as Appa Ali Apsa in Green Lantern: The Power of Fear

Alfre Woodard

as Sayd in Green Lantern: The Power of Fear

Ben Kingsley

as Ganthet in Green Lantern: The Power of Fear

Sean Gunn

as Ch'p in Green Lantern: The Power of Fear

Ke Huy Quan

as Tomar-Re in Green Lantern: The Power of Fear

Rory McCann

as Kilowog in Green Lantern: The Power of Fear

Chris Pratt

as Guy Gardner in Green Lantern: The Power of Fear

Peter Dinklage

as Hector Hammond in Green Lantern: The Power of Fear

Florence Kasumba

as Katma Tui in Green Lantern: The Power of Fear

Vinnie Jones

as Arkillo in Green Lantern: The Power of Fear

Willem Dafoe

as Sinestro in Green Lantern: The Power of Fear

Yahya Abdul-Mateen II

as Green Lantern II in Green Lantern: The Power of Fear

Henry Golding

as Thomas Kalmaku in Green Lantern: The Power of Fear

Ernie Hudson

as Carl Ferris ❌️ in Green Lantern: The Power of Fear

Lupita Nyong'o

as Carol Ferris in Green Lantern: The Power of Fear

Jensen Ackles

as Green Lantern in Green Lantern: The Power of Fear

Giancarlo Esposito

as "Business Call" in Green Arrow