Suggestions by @jloggains91

Charles Dance

as Magnus The Red in The Horus Heresy

Score: 0

Jason Isaacs

as Ferrus Manus in The Horus Heresy

Score: -1

Lee Pace

as Fulgrim in The Horus Heresy

Score: +2

Jason Momoa

as Jaghatai Khan in The Horus Heresy

Score: +1

Kevin McKidd

as 1st Captain Sigismund in The Horus Heresy

Score: +1

Tadanobu Asano

as Jaghatai Khan in The Horus Heresy

Score: -1

Daniel Dae Kim

as Jaghatai Khan in The Horus Heresy

Score: -1

Mikael Persbrandt

as Leman Russ in The Horus Heresy

Score: +1

Alexander Skarsgård

as Sanguineous in The Horus Heresy

Score: +1

Alexander Skarsgård

as Sanguinius in Warhammer 40K

Score: +2

Mikael Persbrandt

as Leman Russ in Warhammer 40K

Score: +1

Clancy Brown

as Mr. Arrow in Disneys Treasure planet (live action)

Score: -1