Suggestions by @natewardrip

Emma Fuhrmann

as Lady of the Lake in King Arthur

Score: +1

Adam Driver

as Sir Tristan in King Arthur

Score: +1

Lucas Till

as Sir Percival in King Arthur

Score: +1

Brenton Thwaites

as Sir Bor in King Arthur

Score: +1

Timothy Olyphant

as King Pellinore in King Arthur

Score: +1

Timothée Chalamet

as Mordred in King Arthur

Score: +1

Dylan O'Brien

as Sir Gwain in King Arthur

Score: +1

Thomas Kuc

as Sir Galahad in King Arthur

Score: +1

Liam McIntyre

as Older Sir Lancelot in King Arthur

Score: +1

Chris Evans

as Sir Kay in King Arthur

Score: +1

Casey Simpson

as Young Sir Lancelot in King Arthur

Score: +1

Ewan McGregor

as Sir Balan in King Arthur

Score: +1

Hayden Christensen

as Sir Balin in King Arthur

Score: +1

Jake Gyllenhaal

as Young Merlin in King Arthur

Score: +1

Sean Bean

as King Lot of Avalon in King Arthur

Score: +1

Natalie Dormer

as Older Guinevere in King Arthur

Score: +1

Sydney Sweeney

as Young Guinevere in King Arthur

Score: +1

Tom Hiddleston

as King Arthur in King Arthur

Score: 0

Jack Dylan Grazer

as Young Arthur in King Arthur

Score: +1

Cameron Gellman

as Young Sir Kay in King Arthur

Score: +1