Suggestions by @deerzelwashington

Alicia Silverstone

as Lara Lor-Van in Superman

Score: +1

Peter Gallagher

as Johnathan Kent in Superman

Score: +1

Gianni DeCenzo

as Jimmy Olsen in Superman

Score: +1

Connor Jessup

as Kon El in Superman

Score: +1

Tyler James Williams

as Pete Ross in Superman

Score: +1

Riley Voelkel

as Lana Lang in Superman

Score: +1

Winona Ryder

as Martha Kent in Superman

Score: +1

Hillary Duff

as Lois Lane in Superman

Score: +1

Ralph Fiennes

as Jor El in Superman

Score: +2

Jon Cryer

as Lex Luthor in Superman

Score: -1

Matt Lanter

as Superman in Superman

Score: +1

Noah Schnapp

as Ch’p in The Green Lantern

Score: +1

Penelope Ann Miller

as Queen Trench in Aquaman

Score: +1

Tyler Mane

as King Trench in Aquaman

Score: +2

Tyler Alvarez

as King Trench in Aquaman

Score: -1

Phoebe Waller-Bridge

as Doctor Rhodon in Aquaman

Score: +1

Michael Cudlitz

as Rodunn in Aquaman

Score: +1

Natalia Dyer

as Tula in Aquaman

Score: +1

Kai Moya

as Garth in Aquaman

Score: +2

Eleanor Tomlinson

as Mera in Aquaman

Score: +2