Suggestions by @lol1231

Michał Szpak

as Syriusz Black in Marauders In Poland

Score: +1

Piotr Polk

as Elrond in LOTR with polish cast

Score: +1

Agnieszka Dygant

as Arwen in LOTR with polish cast

Score: +2

Michał Żebrowski

as Faramir in LOTR with polish cast

Score: +1

Maciej Zakościelny

as Legolas in LOTR with polish cast

Score: +1

Paul Mescal

as Pippin in LOTR with polish cast

Score: 0

Małgorzata Kożuchowska

as Galadriel in LOTR with polish cast

Score: +2

Filip Bobek

as Aragorn in LOTR with polish cast

Score: +1

Robert Lewandowski

as Frodo in LOTR with polish cast

Score: 0