Suggestions by @anthony627

Bill Skarsgård

as The Joker in Batman

Score: +2

Scott Adkins

as William Cobb in Batman

Score: +2

Joe Manganiello

as Slade Wilson in Batman

Score: +1

Alexandra Breckenridge

as Dr. Pamela Isley in Batman

Score: +1

Eiza González

as Selina Kyle in Batman

Score: -1

Mia Goth

as Dr. Harleen Quinzel in Batman

Score: +1

Caleb Landry Jones

as The Joker in Batman

Score: +1

Stephanie Beatriz

as Renee Montoya in Batman

Score: +1

Mason Thames

as Tim Drake in Batman

Score: +2

Evan Rachel Wood

as Kate Kane in Batman

Score: +1

Lewis Tan

as William Cobb in Batman

Score: +1

Nikolaj Coster-Waldau

as Slade Wilson in Batman

Score: +1

Ethan Peck

as Bruce Wayne in Batman

Score: +2

Asher Angel

as Dick Grayson in Batman

Score: +2

Rhys Wakefield

as The Joker in Batman

Score: +1

Lena Headey

as Martha Wayne in Batman

Score: +1

Jim Caviezel

as Thomas Wayne in Batman

Score: +1

Tanner Buchanan

as Jason Todd in Batman

Score: +1

Common

as Crispus Allen in Batman

Score: +1

Diego Luna

as Floyd Lawton in Batman

Score: +1