Suggestions by @tk421uk

Hafþór Júlíus Björnsson

as Nork Deddog in Warhammer 40K (Henry Cavil/Amazon)

Score: +3

Jesper Kyd

as Composer in Warhammer 40K (Henry Cavil/Amazon)

Score: +4

Jeremy Crawford

as Ferik Jurgen in Warhammer 40K (Henry Cavil/Amazon)

Score: +2

Mason Alexander Park

as Slaanesh in Warhammer 40K (Henry Cavil/Amazon)

Score: -3

Chris Hemsworth

as Fulgrim in Warhammer 40K (Henry Cavil/Amazon)

Score: -2

Lucas Till

as Sanguinius in Warhammer 40K (Henry Cavil/Amazon)

Score: 0

Paul Dobson

as Mork in Warhammer 40K (Henry Cavil/Amazon)

Score: +1

Brian Dobson

as Gork in Warhammer 40K (Henry Cavil/Amazon)

Score: +1

Christopher Judge

as Horus Lupercal in Warhammer 40K (Henry Cavil/Amazon)

Score: -1

Ron Perlman

as Perturabo in Warhammer 40K (Henry Cavil/Amazon)

Score: 0

Keith David

as Khorne in Warhammer 40K (Henry Cavil/Amazon)

Score: 0

Jeremy Irons

as The Silent King in Warhammer 40K (Henry Cavil/Amazon)

Score: +3

Djimon Hounsou

as Vulkan in Warhammer 40K (Henry Cavil/Amazon)

Score: -1

Christoph Waltz

as Trazyn The Infinite in Warhammer 40K (Henry Cavil/Amazon)

Score: +1

Mads Mikkelsen

as Orikan the Diviner in Warhammer 40K (Henry Cavil/Amazon)

Score: +2

Mark Strong

as Abaddon the Despoiler in Warhammer 40K (Henry Cavil/Amazon)

Score: 0

Mark Hamill

as Tzeentch in Warhammer 40K (Henry Cavil/Amazon)

Score: 0

Tom Hardy

as Angron in Warhammer 40K (Henry Cavil/Amazon)

Score: +7

Tom Hardy

as Angron in Warhammer 40000: Horus Heresy

Score: +4

Adam Driver

as Konrad Curze in Warhammer 40K (Henry Cavil/Amazon)

Score: -2