Suggestions by @alexstockwell

Chris Hemsworth

as Prince Vultan in Flash Gordon

Richard Madden

as Prince Barin in Flash Gordon

Taika Waititi

as Zogi in Flash Gordon

BD Wong

as Ming the Merciless in Flash Gordon

Awkwafina

as Princess Aura in Flash Gordon

John Boyega

as Flash Gordon in Flash Gordon

Taika Waititi

as Director in Flash Gordon

Zac Efron

as Emmett Fitz-Hume in Spies Like Us

Lily James

as Tora Olafsdotter in Blue & Gold

Ana de Armas

as Beatriz da Costa in Blue & Gold

Jemaine Clement

as Gorilla Grodd in Deathstroke

Timothée Chalamet

as Kyle Rayner in Deathstroke

Keanu Reeves

as Vandar Adg in Deathstroke

Ryan Gosling

as Oliver Queen in Deathstroke

Adam Driver

as Floyd Lawton in Deathstroke

Topher Grace

as Ralph Dibny in Deathstroke

Leonardo DiCaprio

as Alexander Luthor, Jr. in Deathstroke

Emma Roberts

as Rose Wilson in Deathstroke

Eric Roberts

as Slade Wilson in Deathstroke

Zooey Deschanel

as Zatanna Zatara in Deathstroke