Suggestions by @amazingspidey

Gerard Butler

as Ares in George Miller's DCU uinverse

Score: +1

Karl Urban

as Lobo in George Miller's DCU uinverse

Score: +2

Elizabeth Gillies

as Livewire in George Miller's DCU uinverse

Score: +3

Mark Strong

as Lex Luthor in George Miller's DCU uinverse

Score: +2

KJ Apa

as Kid Flash in George Miller's DCU uinverse

Score: +1

Elisha Cuthbert

as Supergirl in George Miller's DCU uinverse

Score: +1

Katheryn Winnick

as Black canary in George Miller's DCU uinverse

Score: +3

Charlie Hunnam

as Green Arrow in George Miller's DCU uinverse

Score: +2

Jessica Chastain

as Hawkgirl in George Miller's DCU uinverse

Score: +3

Lance Reddick

as Martian Manhunter in George Miller's DCU uinverse

Score: +1

Idris Elba

as Green lantern in George Miller's DCU uinverse

Score: +1

Matt Damon

as Flash in George Miller's DCU uinverse

Score: +2

Olivia Wilde

as Wonder woman in George Miller's DCU uinverse

Score: +3

Josh Brolin

as Batman in George Miller's DCU uinverse

Score: +3

Brendan Fraser

as Superman in George Miller's DCU uinverse

Score: +2

Dylan O'Brien

as The Flash/Barry Allen in Spider-Man and The Flash: Multiverse

Score: +1

Katherine McNamara

as Iris west in The Flash (2004)

Score: 0

Michael C. Hall

as Reverse Flash in The Flash (2004)

Score: +1

Andy Serkis

as Gorila grodd in The Flash (2004)

Score: +1

Matt Damon

as Flash in The Flash (2004)

Score: +1