Suggestions by @deerzelwashington

Aria Shahghasemi

as Ceebiss in Green Lantern

Score: +1

Glenn Howerton

as Attrocitus in Green Lantern

Score: +1

Milly Alcock

as Star Sapphire in Green Lantern

Score: +1

Laura Linney

as Sercy in Green Lantern

Score: +1

Eric Johnson

as Abyssma in Green Lantern

Score: +1

Dacre Montgomery

as Larfleeze in Green Lantern

Score: -1

Melissa O'Neil

as Feena Sik in Green Lantern

Score: +1

John DiMaggio

as Kilowog in Green Lantern

Score: +1

Sam Strike

as Razer in Green Lantern

Score: 0

Kevin Michael Richardson

as Arkillo in Green Lantern

Score: +1

Matthew McConaughey

as Bro’Dee Walker in Green Lantern

Score: +1

Mark Strong

as Antipathy in Green Lantern

Score: +1

Noel Fisher

as Gleen in Green Lantern

Score: +1

Saoirse Ronan

as Hawkgirl in Green Lantern

Score: +1

Caspar Zafer

as Sinestro in Green Lantern

Score: +1

Lance Gross

as Green Lantern in Green Lantern

Score: +1

Teyonah Parris

as Cat Grant in Superman

Score: +1

Kevin Bacon

as Perry White in Superman

Score: 0

Finn Cole

as Metallo in Superman

Score: +1

Thomas Jane

as Metallo in Superman

Score: 0