Suggestions by @dsquared

Ralph Fiennes

as Brainiac in Justice League

Score: -1

Jason Isaacs

as Brainiac in Justice League

Score: -1

Daniel Craig

as Brainiac in Justice League

Score: -1

Hugh Laurie

as Brainiac in Justice League

Score: +1

Mike Moh

as Atom in Justice League

Score: +1

Robert Pattinson

as Batman in Justice League

Score: +1

Eiza González

as Wonder Woman in Justice League

Score: +1

Jamie Alexander

as Wonder Woman in Justice League

Score: -1

Omari Hardwick

as Jon Stewart in Justice League

Score: +1

Lucas Till

as The Flash in Justice League

Score: +1

Alexander Koch

as Superman in Justice League

Score: +1

Patrick Schwarzenegger

as Aquaman in Justice League

Score: +1

Xolo Maridueña

as Nightwing in The Justice League

Score: +1

Medalion Rahimi

as Talia al Ghul in Teen Titans

Score: +1

David Thewlis

as Brother Blood in Teen Titans

Score: +1

Adam Irigoyen

as See-More in Teen Titans

Score: +1

Linden Porco

as Gizmo in Teen Titans

Score: +1

Olivier Richters

as Mammoth in Teen Titans

Score: +1

Maitreyi Ramakrishnan

as Jinx in Teen Titans

Score: +1

Lovie Simone

as Bumblebee in Teen Titans

Score: +1