Suggestions by @theaudience

Barry Keoghan

as Bob Dylan in Rockstars Biopics

Score: +1

Barry Keoghan

as Bob Dylan in The Beatles Biopic

Score: +1

Fiona Dourif

as The Joker in Casting James Gunn's DCU! :D

Score: +1

Mike Bender

as Writer in Megamind Live Action Remake

Score: +2

Craig Mazin

as Writer in Megamind Live Action Remake

Score: +2

Matt Johnson

as Hal in Megamind Live Action Remake

Score: +1

Jeffrey Tambor

as Tantor in Tarzan Remake (Live Action)

Score: +1

Daveed Diggs

as Frankenstein's Monster in Frankenstein

Score: +1

Tony McCarthy

as Frankenstein's Monster in Frankenstein

Score: +1

Rose Matafeo

as Terk in Tarzan Remake (Live Action)

Score: +1

Fiona Dourif

as Joker in Batman: Earth-11

Score: +1

Ewan Mitchell

as Plastic Man in James Gunn's DC Cinematic Universe

Score: +1

Fiona Dourif

as The Joker in Batman

Score: -1

Bruce Campbell

as Uncle Sam (Samuel Wilson) in James Gunn's DC Cinematic Universe

Score: +1

Sargon Yelda

as Freddie Mercury in Biographies

Score: +1

Jack Lowden

as Friedrich Engels in Biographies

Score: +1

Matthias Schoenaerts

as Karl Marx in Historical Figures (Europe)

Score: +2

Aleksandr Ustyugov

as Josef Stalin in Russian Revolution

Score: +1

Lissette Feliciano

as Writer in The Emperor's New Groove

Score: +1

Manolo Caro

as Director in The Emperor's New Groove

Score: +2