Suggestions by @wallywest06

Hugh Laurie

as Alfred Pennyworth in (DC Movies) Worlds Finest (2028)

Score: -2

Ethan Peck

as Batman in (DC Movies) Worlds Finest (2028)

Score: -1

John Wesley Shipp

as Flash in Dc (1979)

Score: +1

Eric Allan Kramer

as Aquaman in Dc (1979)

Score: +1

Robert Redford

as Green Arrow in Dc (1979)

Score: +1

Lynda Carter

as Wonder Woman in Dc (1979)

Score: +1

Matthew Broderick

as Robin in Dc (1979)

Score: +1

Kurt Russell

as Hal Jordna in Dc (1979)

Score: +1

Harrison Ford

as Batman in Dc (1979)

Score: +1

Matthew Lillard

as Jim Gordon in Brad Bird and DCU's Justice League

Score: +1

Lily James

as Iris West in Brad Bird and DCU's Justice League

Score: +1

Rodney L Jones III

as Victor Stone/Cyborg in Brad Bird and DCU's Justice League

Score: +3

Natalie Dormer

as Emma Frost in X-Men

Score: 0

DeWanda Wise

as Ororo Munroe in X-Men

Score: -1

Jesse Plemons

as Hank McCoy in X-Men

Score: +1

Bryan Cranston

as Charles xavier in X-Men

Score: -2

Mena Massoud

as Kurt Wagner in X-Men

Score: -1

Rami Malek

as Kurt Wagner in X-Men

Score: -4

Harris Dickinson

as Scott Summers in X-Men

Score: +1

Julia Butters

as Kate Pryde in X-Men

Score: +1