Suggestions by @1_doomed_1

Tom Hardy

as Swamp Thing in Justice League

Score: +1

Bill Murray

as The Bat-Mite in Justice League

Score: +1

Christopher Walken

as Brainiac 1 in Justice League

Score: +1

Toby Jones

as Mxyzptlk in Justice League

Score: +1

Jurnee Smollett

as Dinah Lance in Justice League

Score: +1

Michael Gambon

as Alfred Pennyworth in Justice League

Score: +1

Hunter Schafer

as Babs Gordon in Justice League

Score: 0

Josh Brolin

as Bruce Wayne in Justice League

Score: +1

Yara Shahidi

as Iris West in Justice League

Score: +1

Dylan Sprayberry

as Barry Allen in Justice League

Score: +1

John Krasinski

as Ray Palmer in Justice League

Score: +1

Ronda Rousey

as Diana Prince in Justice League

Score: +1

Henry Cavill

as Clark Kent in Justice League

Score: +1

Russo Brothers

as Director in Justice League

Score: +1

Henry Cavill

as Superman in The Atom

Score: +1

Conor Leslie

as Jean Loring in The Atom

Score: +1

Peter Dinklage

as The Thinker in The Atom

Score: +1

Kurt Russell

as Chronos in The Atom

Score: +1

Samuel L. Jackson

as Deathstroke in The Atom

Score: +1

James Cameron

as Director in The Atom

Score: +1