Suggestions by @midnightfeature

Tony Todd

as Swamp Thing (Voice Actor) in Justice League Dark Season 1

Score: 0

David Harbour

as Detective Chimp (Voice Actor) in Justice League Dark Season 1

Score: +1

LaKeith Stanfield

as Deadman in Justice League Dark Season 1

Score: +1

Kevin Durand

as Etrigan the Demon in Justice League Dark Season 1

Score: +1

Daniel Gillies

as Jason Blood in Justice League Dark Season 1

Score: +1

Grace Caroline Currey

as Zatanna in Justice League Dark Season 1

Score: +1

Taron Egerton

as John Constantine in Justice League Dark Season 1

Score: 0

David Harbour

as Roland Deschain in The Dark Tower: Book 1

Score: +1

Hamish Linklater

as The Man in Black in The Dark Tower: Book 1

Score: -1

Cillian Murphy

as Roland Deschain in The Dark Tower: Book 1

Score: +1

Rory McCann

as Cort Andrus in The Dark Tower: Book 1

Score: +1

Robert Longstreet

as Cort Andrus in The Dark Tower: Book 1

Score: -1

Annarah Cymone

as Odette/Detta Walker in The Dark Tower: Book 1

Score: +1

Igby Rigney

as Eddie Dean in The Dark Tower: Book 1

Score: +1

Joseph Quinn

as Eddie Dean in The Dark Tower: Book 1

Score: +2

Jackson Robert Scott

as Jake Chambers in The Dark Tower: Book 1

Score: +1

Kate Siegel

as Sylvia Pittson in The Dark Tower: Book 1

Score: -1

Samantha Sloyan

as Allie in The Dark Tower: Book 1

Score: -1

Timothy Hutton

as Nort in The Dark Tower: Book 1

Score: 0

Alan Tudyk

as Zoltan in The Dark Tower: Book 1

Score: +1