Suggestions by @lynnmarks

Sophie Turner

as Rebecca Bishop in A Discovery of Witches

+0-4Score: -4

Alex Kingston

as Sarah Bishop in A Discovery of Witches

+8-2Score: +6

Benedict Cumberbatch

as Alan Turing in The Rose Code

+4-1Score: +3

Jenna Coleman

as Osla Kendall in The Rose Code

+2-3Score: -1

Eva Green

as Lili/Alice/Louise de Bettignies in The Alice Network

+4-2Score: +2