Suggestions by @adrianromanpr

Kenneth Branagh

as Eoin O'Duffy in Hitler's Collaborators

Score: +1

Leonie Benesch

as Queen Irene of Croatia in Hitler's Collaborators

Score: +1

Edward Norton

as King Tomislav II of Croatia in Hitler's Collaborators

Score: +1

Mattia Sbragia

as Pope Pius XII in Hitler's Collaborators

Score: +2

Volker Bruch

as Juan Perón in Hitler's Collaborators

Score: 0

Willem Dafoe

as Staf De Clercq in Hitler's Collaborators

Score: +2

Ralph Fiennes

as Ante Pavelic in Hitler's Collaborators

Score: +2

James McAvoy

as Boris III of Bulgaria in Hitler's Collaborators

Score: +2

Sacha Baron Cohen

as Subhas Chandra Bose in Hitler's Collaborators

Score: +2

David Thewlis

as Ion Antonescu in Hitler's Collaborators

Score: +2

Gary Oldman

as Sergey Taboritsky in Hitler's Collaborators

Score: +2

Jonah Hill

as Frits Clausen in Hitler's Collaborators

Score: +2

Colin Firth

as Anton Mussert in Hitler's Collaborators

Score: +2

Jared Harris

as Philippe Petáin in Hitler's Collaborators

Score: +2

Stellan Skarsgård

as Vidkun Quisling in Hitler's Collaborators

Score: +2

Massimo Popolizio

as Benito Mussolini in Hitler's Collaborators

Score: +3

August Wittgenstein

as León Degrelle in Hitler's Collaborators

Score: +2

Alex Jennings

as Edward VIII in Hitler's Collaborators

Score: +1

Ben Kingsley

as Miklós Horthy in Hitler's Collaborators

Score: +2

Carlos Areces

as Francisco Franco in Hitler's Collaborators

Score: +2