Suggestions by @luispoblete1

Bryan Cranston

as Commissioner Gordon in Batman (2021)

Score: +1

Joe Pesci

as Penguin in Batman (2021)

Score: +1

David Mazouz

as Robin in Batman (2021)

Score: +1

Michael Fassbender

as Sauron in Middle-Earth: Shadow of Mordor

Score: 0

Clive Standen

as William Wallace in Braveheart

Score: 0

Tom Hardy

as Sir Kay in Excalibur

Score: +1

Jeremy Irons

as Sir Ector in Excalibur

Score: +1

Charlotte Hope

as Queen Guinevere in Excalibur

Score: +2

Robert Pattinson

as Mordred in Excalibur

Score: +1

Richard Madden

as King Arthur in Excalibur

Score: +5

Timothée Chalamet

as Sir Perceval in Excalibur

Score: +1

Ben Barnes

as Sir Gawain in Excalibur

Score: +1

Tom Hiddleston

as Sir Lancelot in Excalibur

Score: +2

Katie McGrath

as Morgana in Excalibur

Score: +1

Cate Blanchett

as Ygraine Pendragon in Excalibur

Score: +2

Geoffrey Rush

as Merlin in Excalibur

Score: +2

Richard Armitage

as Uther Pendragon in Excalibur

Score: +2

James McAvoy

as King Arthur in Excalibur

Score: +4

Ben Barnes

as Sir Gawain in Excalibur

Score: +4

Justin Berfield

as Kent Paul in GTA Vice City

Score: -3