Suggestions by @spyderpoison

David Corenswet

as Superman in DC Cinematic Universe Fancasting

Score: +3

Brandon Routh

as Superman in DC Cinematic Universe Fancasting

Score: 0

Aidan Gallagher

as Damian Wayne/Robin V in DC Cinematic Universe Fancasting

Score: +2

Kelly Macdonald

as Mrs. Doren in Jimmy Coates: Killer - FanCast

Score: +1

Jeremy Ray Taylor

as Felix Muzbeke in Jimmy Coates: Killer - FanCast

Score: +2

Cameron Monaghan

as Red Hood (the original, the one who becomes a joker) in DC Cinematic Universe Fancasting

Score: +1

Mark Strong

as Mr Freeze in DC Cinematic Universe Fancasting

Score: +4

Lucas Till

as Barry Allen/Flash in DC Cinematic Universe Fancasting

Score: +1

Bridget Regan

as Diana Prince/Wonder Woman in DC Cinematic Universe Fancasting

Score: +1

Olivia Wilde

as Selina Kyle/Catwoman in DC Cinematic Universe Fancasting

Score: 0

Neil Patrick Harris

as The Riddler in DC Cinematic Universe Fancasting

Score: 0

Alexandra Daddario

as Big Barda in DC Cinematic Universe Fancasting

Score: +1

Alicia Vikander

as Nerdanel in The Silmarillion

Score: +1

Daisy Ridley

as Elwing in The Silmarillion

Score: +1

Alex Pettyfer

as Celegorm in The Silmarillion

Score: +1

Katherine McNamara

as Vana in The Silmarillion

Score: +2

Akin Akinözü

as Beren in The Silmarillion

Score: +1

Timothée Chalamet

as Maglor in The Silmarillion

Score: +1

Armie Hammer

as Maedhros in The Silmarillion

Score: +1

Tom Hiddleston

as Irmo/Lorien in The Silmarillion

Score: +1