Suggestions by @chefner

Alexis Denisof

as David Endocrine in The Dark Knight Returns (2016)

Score: +1

Brian Baumgartner

as Abner in The Dark Knight Returns (2016)

Score: +1

Dave Bautista

as Mutant Leader in The Dark Knight Returns (2016)

Score: +1

Jodie Foster

as Ellen Yindel in The Dark Knight Returns (2016)

Score: +1

James Brolin

as Ronald Reagan in The Dark Knight Returns (2016)

Score: +1

John C. McGinley

as Dr. Bartholomew Wolper in The Dark Knight Returns (2016)

Score: +1

Michael Gambon

as Alfred Pennyworth in The Dark Knight Returns (2016)

Score: +1

Mark Strong

as Two-Face in The Dark Knight Returns (2016)

Score: -1

Nicolas Cage

as Joker in The Dark Knight Returns (2016)

Score: -2

Sam Elliott

as Commissioner James Gordon in The Dark Knight Returns (2016)

Score: +1

Jon Hamm

as Superman in The Dark Knight Returns (2016)

Score: -1

Helena Bonham Carter

as Selina Kyle in The Dark Knight Returns (2016)

Score: -2

Chloë Grace Moretz

as Robin in The Dark Knight Returns (2016)

Score: +2

Ron Perlman

as Batman in The Dark Knight Returns (2016)

Score: -2

Richard Riehle

as Horace Slughorn in All American Harry Potter Fancast

Score: 0

Kelsey Grammer

as Alistar Moody in All American Harry Potter Fancast

Score: 0

James Cromwell

as Albus Dumbledore in All American Harry Potter Fancast

Score: +2

Gaia Weiss

as Barbara Gordon in Batman

Score: +1

Gerard Butler

as Bruce Wayne in Batman

Score: +1

Andrew Scott

as Joker in Batman

Score: 0