Suggestions by @alexstockwell

Channing Tatum

as Johnny Cage in Mortal Kombat

Taika Waititi

as Director in Flash Gordon

Jason Momoa

as Prince Thun in Flash Gordon

Chris Hemsworth

as Vultan in Flash Gordon

Cary-Hiroyuki Tagawa

as Ming the Merciless in Flash Gordon

James McAvoy

as Barin in Flash Gordon

Sally Hawkins

as Dr. Hans Zarkov in Flash Gordon

Josh Hutcherson

as Flash Gordon in Flash Gordon

Ken Foree

as Wildcat in The DCEU

Bruce Boxleitner

as Green Lantern I in The DCEU

Scott Bakula

as The Flash I in The DCEU

Katheryn Winnick

as Power Girl in The DCEU

Lena Headey

as Hawkgirl in The DCEU

Peter Davison

as Doctor Fate in The DCEU

Matt Smith

as Reverse Flash in The DCEU

Patrick Bergin

as Hawkman in The DCEU

Clancy Brown

as Darkseid in The DCEU

Peter Mensah

as Martin Manhunter in The DCEU

Elle Fanning

as Supergirl in The DCEU

Andrew Garfield

as Robin/ Nightwing in The DCEU