Suggestions by @dsquared

Sam Claflin

as John Constantine in The Justice League

Score: -1

Michael Giacchino

as Composer in Batman

Score: +1

David S. Goyer

as Writer in Batman

Score: +1

Geoff Johns

as Producer in Batman

Score: +1

David Fincher

as Director in Batman

Score: +1

Scott Adkins

as Deathstroke in Batman

Score: +1

Josh Duhamel

as Deathstroke in Batman

Score: -1

Riz Ahmed

as Victor Zsasz in Batman

Score: +1

Riz Ahmed

as Scarecrow in Batman

Score: +1

Doug Stanhope

as Mad Hatter in Batman

Score: -1

Adrian Schiller

as Hugo Strange in Batman

Score: +1

Eddie Redmayne

as The Joker in Batman

Score: -1

Evan Peters

as The Joker in Batman

Score: -1

Dan Stevens

as The Joker in Batman

Score: +1

Dakota Johnson

as Catwoman in Batman

Score: +1

Sophia Lillis

as Oracle in Batman

Score: +1

Sophia Lillis

as Batgirl in Batman

Score: +1

Jane Levy

as Batgirl in Batman

Score: -1

Amarr M. Wooten

as Robin in Batman

Score: -1

Colin Firth

as Alfred Pennysworth in Batman

Score: +1