Suggestions by @kachai

Tatjana Patitz

as Eva Heinemann in Monster

Score: +1

André Hennicke

as The Baby in Monster

Score: +1

Mišel Matičević

as Roberto in Monster

Score: +1

Andrea Sawatzki

as Margot Langer Imposter in Monster

Score: 0

Karoline Herfurth

as Margot Langer in Monster

Score: +1

Aylin Tezel

as Lotte Frank in Monster

Score: +1

Pekka Strang

as Wolfgang Grimmer in Monster

Score: +1

Keanu Reeves

as Kenzo Tenma in Monster

Score: +2

Mario Adorf

as Hans Georg Schuwald in Monster

Score: +1

Nina Petri

as Viera Černá in Monster

Score: 0

Nadja Uhl

as Viera Černá in Monster

Score: -2

Louis Hoffmann

as Johan Liebert in Monster

Score: +4