Suggestions by @bluejohnnywalker

John Goodman

as Baloo in Jungle book welcome to law of the jungle

Score: +2

Colin Firth

as Bagheera in Jungle book welcome to law of the jungle

Score: -1

Aiden Turner

as Blanka in Street Fighter

Score: 0

Simon Webbe

as Deejay in Street fighter

Score: +1

Roland Kickinger

as Guile in Street fighter

Score: +1

Johnny Depp

as Cyrus in Dawn of war

Score: +1

Anthony Hopkins

as Carus Brom in Dawn of war

Score: +1

Samuel L. Jackson

as Mordecai Toth in Dawn of war

Score: +1

Sean Pertwee

as Isador Akios in Dawn of war

Score: +1

Stephen Lang

as Gabriel Angelos in Dawn of war

Score: +1

Dee Bradley Baker

as Gravemind in Halo

Score: 0

Adoni Maropis

as Heretic in Halo

Score: +1

Viggo Mortensen

as Special Operations (Spec Ops) Leader in Halo

Score: 0

Sarai Givaty

as Kira in Mortal kombat armageddon

Score: +2

Colin Firth

as Bagheera in Jungle Book

Score: +1

John Goodman

as Baloo in Jungle Book

Score: +6

Brian Blessed

as Colonel hathi in Jungle Book

Score: +2

Taylor Schilling

as Kira in Mortal kombat armageddon

Score: +2

Stephen Graham

as Tremor in Mortal kombat armageddon

Score: 0

Vin Diesel

as Tartarus (Brute Leader) in Halo

Score: +2