Suggestions by @dsquared

Nell Williams

as Jimmy Olson in Superman

Score: -1

Dylan Minnette

as Jimmy Olson in Superman

Score: -1

Asa Butterfield

as Jimmy Olson in Superman

Score: -1

Adam Driver

as The Joker (cameo in post credits scene) in The Batman: Burning City

Score: -1

Carl Weathers

as Lucius Fox in Batman

Score: +1

Ewan McGregor

as Harvey Dent in Batman

Score: -1

Ryan Gosling

as Harvey Dent in Batman

Score: -1

Matt Bomer

as Harvey Dent in Batman

Score: -1

Michael Fassbender

as Harvey Dent in Batman

Score: -1

Colin Farrell

as Harvey Dent in Batman

Score: +1

Timothy Olyphant

as Harvey Dent in Batman

Score: -1

James Marsden

as Harvey Dent in Batman

Score: -1

Oscar Isaac

as Harvey Dent in Batman

Score: -1

Jon Hamm

as Harvey Dent in Batman

Score: -1

Justin Prentice

as Steve Lombard in Superman

Score: +1

James Purefoy

as General Zod in Superman

Score: +1

Bob Odenkirk

as Perry White in Superman

Score: +1

Kaya Scodelario

as Lois Lane in Superman

Score: +1

Cybill Shepherd

as Martha Kent in Superman

Score: +1

John Goodman

as Jonathan Kent in Superman

Score: +1