Suggestions by @louiseccleston
111 suggestions
Michael Gambon
as Ganthet in The Justice League Of America

Andy Serkis
as Alfred Pennyworth in The Justice League Of America
Seth Green
as Jimmy Olsen in The Justice League Of America

Bryce Dallas Howard
as Lois Lane in The Justice League Of America

Hafþór Júlíus Björnsson
as Soloman Grundy in The Justice League Of America

Jeremy Irons
as Starro in The Justice League Of America
Ray Fisher
as Cyborg in The Justice League Of America

Jason Momoa
as Aquaman in The Justice League Of America
Sterling K. Brown
as Martian Manhunter in The Justice League Of America

Armie Hammer
as Green Lantern in The Justice League Of America

Evan Peters
as The Flash in The Justice League Of America
Gal Gadot
as Wonder Woman in The Justice League Of America

Matt Bomer
as Superman in The Justice League Of America
Robert Pattinson
as Bruce Wayne in The Justice League Of America
Jordan Peele
as Director in Martian Manhunter
Robert Pattinson
as Batman in Martian Manhunter
Carmen Ejogo
as M’yri’ah J’onzz in Martian Manhunter

Matt Bomer
as Superman in Martian Manhunter

Tom Ellis
as H’ronmeer in Martian Manhunter
Ioan Gruffudd
as Dr.Erdel in Martian Manhunter