Suggestions by @ojmcclanahan

Jensen Ackles

as Batman in DC New Universe Fancast

Score: +1

Lilly Krug

as Supergirl in DC New Universe Fancast

Score: +3

Sam Rockwell

as Joker in DC New Universe Fancast

Score: 0

Alexander Ludwig

as Aquaman in DC New Universe Fancast

Score: +2

Abigail Cowen

as Batgirl in DC New Universe Fancast

Score: +4

Bridget Regan

as Wonder Woman in DC New Universe Fancast

Score: +1

Naomi Scott

as Batgirl in Matt Reeves The Batman Trilogy

Score: -1

Lilly Krug

as Supergirl in DC Studios: Supergirl: Woman of Tomorrow

Score: +1

Lilly Krug

as Supergirl in Supergirl: The Woman of Tomorrow

Score: +2

Lilly Krug

as Supergirl in Supergirl: Woman of Tomorrow

Score: +1

Lilly Krug

as Kara Danvers/Supergirl in Supergirl: Woman of Tomorrow

Score: -1

Lili Reinhart

as Supergirl in Supergirl: Woman of Tomorrow

Score: +1

Lilly Krug

as Supergirl in Supergirl: Woman of Tomorrow

Score: +3

Tye Sheridan

as Eric in The Sorority House Massacre

Score: +1

Jeanne Goursaud

as Linda Lang/Kara Zor-El in The Dark Knight: Legend of The Batman

Score: +1

Timothée Chalamet

as Richard "Dick" Grayson in The Dark Knight: Legend of The Batman

Score: +1

Ethan Peck

as Clark Kent/Kal-El in The Dark Knight: Legend of The Batman

Score: +1

Tanaya Beatty

as Dawnstar Gr'ell in Shadow of The Bat

Score: +1

Rory McCann

as Darkseid in Shadow of The Bat

Score: +1

Sai Bennett

as June Moone in Shadow of The Bat

Score: +1