Suggestions by @falzsik

Derek Theler

as Nathaniel Adam in Man of Hope: World's Finest (2016)

Score: +1

Zachary Quinto

as Tomar-Re in Green Lantern Corps II (2017)

Score: +1

Hugh Grant

as Alan Scott in Green Lantern Corps (2014)

Score: +1

Leslie Mann

as Nora Allen in The Flash (2017)

Score: +1

Tom Hanks

as Jay Garrick in The Flash (2017)

Score: +1

Jai Courtney

as George Harkness in The Flash (2017)

Score: +1

Billy Crudup

as Henry Allen in The Flash (2017)

Score: +1

Ryan Kwanten

as Sam Scudder in The Flash (2017)

Score: +1

Brian J. Smith

as Mick Rory in The Flash (2017)

Score: +1

Amanda Seyfried

as Lisa Snart in The Flash (2017)

Score: +1

Ed Skrein

as Leonard Snart in The Flash (2017)

Score: +1

Rudy Pankow

as Wally West in The Flash (2017)

Score: +1

Emma Roberts

as Iris West in The Flash (2017)

Score: +1

Lucas Till

as Barry Allen in The Flash (2017)

Score: +1

Mary Elizabeth Winstead

as Lois Lane in Man of Tomorrow (2014)

Score: +1

Mary Elizabeth Winstead

as Lois Lane in Justice League (2012)

Score: +1

Mary Elizabeth Winstead

as Lois Lane in Man of Steel (2011)

Score: +1

Allison Williams

as Carol Ferris in Green Lantern Corps II (2017)

Score: +1

Ving Rhames

as Kilowog in Green Lantern Corps II (2017)

Score: +1

Anthony Hopkins

as Ganthet in Green Lantern Corps II (2017)

Score: +1