Suggestions by @itsdctime2sh1n3

Nathan Fillion

as Guy Gardner in Lanterns

Score: +1

Stephan James

as John Stewart in Lanterns

Score: -1

Aaron Pierre

as John Stewart in Lanterns

Score: +1

Aaron Pierre

as John Stewart in Lanterns

Score: +1

Kelvin Harrison Jr.

as John Stewart in Lanterns

Score: -1

Stephan James

as John Stewart in Lanterns

Score: -1

Matthias Schoenaerts

as Krem in Villains Of the DCU

Score: +1

Matthias Schoenaerts

as Krem in All DCU castings so far

Score: +1

Kyle Chandler

as Hal Jordan in All DCU castings so far

Score: +1

Matthias Schoenaerts

as Krem in Supergirl: Woman of Tomorrow

Score: +2

Brandon Perea

as Kyle Rayner in Lanterns

Score: +1

Nick Kroll

as Kilowog in Lanterns

Score: +1

Kyle Chandler

as Hal Jordan in Lanterns

Score: +1

Kumail Nanjiani

as Booster Gold in All DCU castings so far

Score: +1