Suggestions by @sansyboi

Bryan Cranston

as Slade Wilson in Justice League: Peace

Martin Jarvis

as Alfred Pennyworth in Justice League: Peace

Melissa Fumero

as Lois Lane in Justice League: Peace

Khary Payton

as Grid in Justice League: Peace

Troy Baker

as Flash in Justice League: Peace

James Marsden

as Green Lantern in Justice League: Peace

Khary Payton

as Cyborg in Justice League: Peace

Joshua T. Fonokalafi

as Aquaman in Justice League: Peace

Laurence Fishburne

as A. M. A. Z. O in Justice League: Peace

Susan Eisenberg

as Wonder Woman in Justice League: Peace

George Newbern

as Superman in Justice League: Peace

Kevin Conroy

as Batman in Justice League: Peace

Ethan Peck

as Superman in DCEU Rebooted

Tiffani-Amber Thiessen

as Valentina Komarov in Soyuz

Eugene Levy

as Leonid Brezhnev in Soyuz

John Goodman

as Gennady Voronov in Soyuz

Taron Egerton

as Yuri Gagarin in Soyuz

Ben Affleck

as Vladimir Komarov in Soyuz

Saba Mubarak

as Talia Al Ghul in Batman

Nicolas Cage

as Black Mask in THE QUESTION