Suggestions by @stormlupa

Jenna Ortega

as Raeve Ragnhild in Spartan

Score: +1

Aaron Taylor-Johnson

as Kaius Nero in Spartan

Score: +1

Joey Batey

as Fen Sitara in Spartan

Score: +1

Florence Pugh

as Maven Ragna in Spartan

Score: +1

Josephine Langford

as Xara Ragna in Spartan

Score: +1

Douglas Booth

as Stefon Nethermark in North

Score: +1

Olivia Cooke

as Saffron in Ichor

Score: -3

Ian Somerhalder

as Thanatos/Hypnos in Ichor

Score: +2

Thomas Doherty

as Willys Darro in North

Score: +1

Shani Smethurst

as Baela Targaryen in House Of The Dragon

Score: +1

Eva Ossei Gerning

as Rhaena Targaryen in House Of The Dragon

Score: +1

Sian Brooke

as Aemma Targaryen in House Of The Dragon

Score: +1

Emily Carey

as Young Alicent in House Of The Dragon

Score: +1

Milly Alcock

as Young Rhaenyra in House Of The Dragon

Score: +1

Charlotte Hope

as Meya Granit in North

Score: +1

Bradley James

as Lauchlyn Crowhart in North

Score: +1