Suggestions by @metropolis_knight

Kyle Chandler

as Captain Storm in DC Sergeant Rock: Our Army At War

Antony Starr

as Colonel Rick Flag in DC Sergeant Rock: Our Army At War

Hugh Jackman

as Sergeant Rock in DC Sergeant Rock: Our Army At War

Dean-Charles Chapman

as Hourman in DC The Justice Society

Zachary Gordon

as Flash in DC The Justice Society

Ben Hardy

as Green Lantern in DC The Justice Society

Sam Mendes

as Director in DC Wonder Woman: The World War II

Jensen Ackles

as Commander Steel in DC Wonder Woman: The World War II

Charlie Cox

as Steve Trevor in DC Wonder Woman: The World War II

Rachel Weisz

as Hippolyta in DC Wonder Woman: The World War II

Christoph Waltz

as Doctor Fate in DC Wonder Woman: The World War II

Elisabeth Moss

as Etta Candy in DC Wonder Woman: The World War II

Gemma Arterton

as Wonder Woman in DC Wonder Woman: The World War II

Ralph Fiennes

as Alfred Pennyworth in DC Batman : The Origin

Ralph Macchio

as Sal Maroni in DC Batman : The Origin

Mark Ruffalo

as Carmine Falcone in DC Batman : The Origin

Tom Felton

as Harvey Dent in DC Batman : The Origin

Katheryn Winnick

as Best DC Fan-casting in Best & Worst Comic Book Castings

Gina Carano

as Faora-Ul in DC Extended Universe

Antje Traue

as Diana Prince in DC Extended Universe