Suggestions by @scarletstudios

Michael Shannon

as General Zod in The Flash Alternate Rewrite

Score: +1

Sasha Calle

as Supergirl in The Flash Alternate Rewrite

Score: +1

Lauren Cohan

as Batwoman (Earth-2) in The Flash Alternate Rewrite

Score: +1

Ezra Miller

as The Flash (Earth-2) in The Flash Alternate Rewrite

Score: +1

Billy Crudup

as Henry Allen in The Flash Alternate Rewrite

Score: +1

Maribel Verdú

as Nora Allen in The Flash Alternate Rewrite

Score: +1

Kiersey Clemons

as Iris West in The Flash Alternate Rewrite

Score: +1

Gal Gadot

as Wonder Woman in The Flash Alternate Rewrite

Score: +1

Jon Bernthal

as Heatwave in The Flash Alternate Rewrite

Score: +1

Sam Worthington

as Captain Cold in The Flash Alternate Rewrite

Score: +1

Ben Affleck

as Batman in The Flash Alternate Rewrite

Score: +1

Ezra Miller

as The Flash in The Flash Alternate Rewrite

Score: +1

Henry Cavill

as Logan[Wolverine in X Men

Score: -2

Kiersey Clemons

as Iris West in Post-Flash DCEU

Score: +2

Harry Lennix

as Martian Manhunter in Man of Tomorrow

Score: +2

Joe Keery

as Dick Grayson in Man of Tomorrow

Score: +1

Wolfgang Novogratz

as Dick Grayson in Man of Tomorrow

Score: +1

Ben Affleck

as Bruce Wayne in Man of Tomorrow

Score: +2

Matthew Goode

as Brainiac in Man of Tomorrow

Score: +3

Jesse Eisenberg

as Lex Luthor in Man of Tomorrow

Score: +2