Suggestions by @jasminepink

Bill Skarsgård

as The Joker in Justice League

Mark Strong

as Lex Luthor in Justice League

Charlie Hunnam

as Arthur Curry in Justice League

Emma Stone

as Shayera Hol in Justice League

Gerald Johnson

as J'onn J'onzz in Justice League

Michael Jai White

as John Stewart in Justice League

Sam Strike

as Wally West in Justice League

Richard Armitage

as Bruce Wayne in Justice League

Megan Gale

as Princess Diana in Justice League

Josh Helman

as Shazam in DC cinematic universe (DC extended universe rebooted)

Robbie Amell

as Red Hood in DC cinematic universe (DC extended universe rebooted)

Evan Rachel Wood

as Harley Quinn in DC cinematic universe (DC extended universe rebooted)

Gerald Johnson

as Martian Manhunter in DC cinematic universe (DC extended universe rebooted)

Joe Anderson

as Green Arrow in DC cinematic universe (DC extended universe rebooted)

Brad Pitt

as Green Arrow in DC cinematic universe (DC extended universe rebooted)

Mark Strong

as Lex Luthor in DC cinematic universe (DC extended universe rebooted)

Lee Pace

as The Joker in DC cinematic universe (DC extended universe rebooted)

Brandon Routh

as Hal Jordon in DC cinematic universe (DC extended universe rebooted)

Sam Strike

as The Flash in DC cinematic universe (DC extended universe rebooted)

Charlie Hunnam

as Aquaman in DC cinematic universe (DC extended universe rebooted)