Suggestions by @tsm91

Jeremy Soule

as Composer in The Lord of the Rings

Score: +1

Warwick Davis

as Tylwyth Waff in Heretics of Dune

Score: +1

Marcos Ortega

as Composer in Heretics of Dune

Score: +1

Denis Villeneuve

as Director in Heretics of Dune

Score: +2

Steven Erikson

as Writer in Heretics of Dune

Score: 0

Izuka Hoyle

as Murbella in Heretics of Dune

Score: +1

Sara Kestelman

as Tamalane in Heretics of Dune

Score: +2

Andy Serkis

as Hedley Tuek in Heretics of Dune

Score: +1

Jacob Anderson

as Alef Burzmali in Heretics of Dune

Score: +3

Athena Karkanis

as Odrade in Heretics of Dune

Score: -1

Pik-Sen Lim

as Schwangyu in Heretics of Dune

Score: +1

Glenn Close

as Dama in Heretics of Dune

Score: 0

Hannah John-Kamen

as Lucilla in Heretics of Dune

Score: +1

Ellen Burstyn

as Belonda in Heretics of Dune

Score: +2

Antonio Banderas

as Miles Teg in Heretics of Dune

Score: +5

Shohreh Aghdashloo

as Alma Mavis Taraza in Heretics of Dune

Score: +2

Dafne Keen

as Sheeana in Heretics of Dune

Score: +2

Jodelle Ferland

as Padmé Amidala in The Star Wars Prequel Trilogy (2009 - 2015)

Score: +5

Wes Chatham

as Nefud in Dune Part 2 (2023)

Score: -1

John Malkovich

as Shaddam IV in Dune Part 2 (2023)

Score: -4