Suggestions by @andrearaujo

Austin Butler

as Oliver Queen in Smallville (Remake)

Score: +1

Millie Brady

as Zatanna Zatara in JLA

Score: +1

Hunter Schafer

as Anna Liebert in Monster

Score: -1

Hunter Schafer

as Johan Liebert in Monster

Score: -1

Louis Hofmann

as Johan Liebert in Monster

Score: -1

Caterina Ferioli

as Anna Liebert in Monster

Score: -1

Stephanie Amarell

as Priscilla in The Witcher: Wild Hunt

Score: +1

Sophie Thatcher

as Cirila Fiona Elen Riannon in The Witcher: Wild Hunt

Score: +1

Bessie Coates

as Rosa var Attre in The Witcher: Wild Hunt

Score: +1

Martyn Ford

as Imlerith in The Witcher: Wild Hunt

Score: +1

Bryan Cranston

as Aldert Geert in The Witcher: Wild Hunt

Score: +1

Skyler Gisondo

as Jimmy Olsen in JLA

Score: +1

Wendell Pierce

as Perry White in JLA

Score: +1

Nicholas Hoult

as Lex Luthor in JLA

Score: +1

Austin Butler

as Oliver Queen in JLA

Score: -1

Rachel Brosnahan

as Lois Lane in JLA

Score: +1

Jake Picking

as Shazam in JLA

Score: +1

Lucas Till

as Bart Allen in JLA

Score: +1

Iwan Rheon

as 2040s in What Actors Could've Played Hannibal Lecter in Various Decades?

Score: 0

Marc Bluhm

as Arthur Curry in JLA

Score: -1