Suggestions by @amazingspidey

Gerard Butler

as Ares in George Miller's DCU uinverse

Karl Urban

as Lobo in George Miller's DCU uinverse

Elizabeth Gillies

as Livewire in George Miller's DCU uinverse

Mark Strong

as Lex Luthor in George Miller's DCU uinverse

KJ Apa

as Kid Flash in George Miller's DCU uinverse

Elisha Cuthbert

as Supergirl in George Miller's DCU uinverse

Katheryn Winnick

as Black canary in George Miller's DCU uinverse

Charlie Hunnam

as Green Arrow in George Miller's DCU uinverse

Jessica Chastain

as Hawkgirl in George Miller's DCU uinverse

Lance Reddick

as Martian Manhunter in George Miller's DCU uinverse

Idris Elba

as Green lantern in George Miller's DCU uinverse

Matt Damon

as Flash in George Miller's DCU uinverse

Olivia Wilde

as Wonder woman in George Miller's DCU uinverse

Josh Brolin

as Batman in George Miller's DCU uinverse

Brendan Fraser

as Superman in George Miller's DCU uinverse

Dylan O'Brien

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

Katherine McNamara

as Iris west in The Flash (2004)

Michael C. Hall

as Reverse Flash in The Flash (2004)

Andy Serkis

as Gorila grodd in The Flash (2004)

Matt Damon

as Flash in The Flash (2004)