Suggestions by @andreweaton

David Dastmalchian

as Doctor Manhattan in Watchmen

Score: +1

Jeremy Strong

as Rorschach in Watchmen

Score: +1

Jonathan Groff

as Ozymandias in Watchmen

Score: +3

Dan Stevens

as Ozymandias in Watchmen

Score: +2

Bill Hader

as Nite Owl II in Watchmen

Score: +4

Holt McCallany

as The Comedian in Watchmen

Score: +3

Rorschach (Watchmen)

as Tom Waits in What if this actor played

Score: +2

Carmine Falcone

as Bradley Cooper in What if this actor played

Score: +1

Thor (Marvel)

as Kris Kristofferson in What if this actor played

Score: +1

Ashley Liao

as Ada Wong in Resident Evil: The Complete Saga (Live Action Series)

Score: +1

Cillian Murphy

as Duke Leto Atreides in Dune

Score: +2

Rebecca Hall

as Lady Jessica in Dune

Score: +2

Spike Fearn

as Paul Atreides in Dune

Score: +1

Fred Hechinger

as Paul Atreides in Dune

Score: +2

Zatanna Zatara

as Juliette Binoche in What if this actor played

Score: +1

Mister Fantastic (Reed Richards)

as Denzel Washington in What if this actor played

Score: +1

Simon Rex

as Green Lantern in Justice League International

Score: +4

Navid Negahban

as Stilgar in Dune

Score: +1

Alexander Siddig

as Stilgar in Dune

Score: +2

Mike Faist

as Feyd-Rautha in Dune

Score: +4