Suggestions by @aleriehightower

Rachel Zegler

as Elia Martell in Robert's Rebellion / The Storm King

Score: -3

Archie Madekwe

as Daemon Velaryon in Aegon's Conquest

Score: +1

Rosamund Pike

as Sharra Arryn in Aegon's Conquest

Score: +1

Javier Bardem

as Nymor Martell in Aegon's Conquest

Score: +1

Mena Massoud

as Nymor Martell in Aegon's Conquest

Score: -2

Sam Corlett

as Torrhen Stark in Aegon's Conquest

Score: +1

Charlie Hunnam

as Aerion Targaryen in Aegon's Conquest

Score: +1

Austin Butler

as Loren I Lannister in Aegon's Conquest

Score: +1

Paul Marshal

as Orys Baratheon in Aegon's Conquest

Score: +1

Freya Allan

as Argella Durrandon in Aegon's Conquest

Score: +1

Rufus Sewell

as Argilac Durrandon in Aegon's Conquest

Score: +1

Tom Blyth

as Loren I Lannister in Aegon's Conquest

Score: -1

Leo Suter

as Torrhen Stark in Aegon's Conquest

Score: -1

Zoë Kravitz

as Valaena Velaryon in Aegon's Conquest

Score: +1

Lee Pace

as Aerion Targaryen in Aegon's Conquest

Score: -1

Jacob Elordi

as Orys Baratheon in Aegon's Conquest

Score: -1

Jessica Alexander

as Rhaenys Targaryen in Aegon's Conquest

Score: +1

Hunter Schafer

as Visenya Targaryen in Aegon's Conquest

Score: -1

Callum Turner

as Aegon I Targaryen in Aegon's Conquest

Score: +1

Barry Keoghan

as Roose Bolton in Robert's Rebellion / The Storm King

Score: +2