Suggestions by @gabrielgrub

Leonardo DiCaprio

as Captain Cold in Justice League: The New Frontier

Score: +1

Denzel Washington

as Martian Manhunter in Justice League: The New Frontier

Score: +1

Pierce Brosnan

as Batman in Justice League: The New Frontier

Score: 0

Brad Pitt

as The Flash in Justice League: The New Frontier

Score: +1

Tom Cruise

as Green Lantern in Justice League: The New Frontier

Score: 0

Brendan Fraser

as Superman in Justice League: The New Frontier

Score: +2

Timothée Chalamet

as Nightwing in Nightwing

Score: -8

Ryan Gosling

as John Constantine in HBO Max's Justice League Dark

Score: -2

Tom Cruise

as Hal Jordan in Green Lantern Corps: The Terrans' Legend (Video Game)

Score: 0