Suggestions by @toughsandwich
993 suggestions
Bruce Campbell
as Booster Gold in Blue and Gold
Keith David
as Martian Manhunter in The Legion of Doom

Jake McDorman
as Green Arrow in The Legion of Doom

Katheryn Winnick
as Black Canary in The Legion of Doom
Doug Jones
as Red Tornado in The Legion of Doom

Chris Pine
as GreenLantern in The Legion of Doom

Brad Pitt
as Aquaman in The Legion of Doom
Brendan Fraser
as Superman in The Legion of Doom

Dylan O'Brien
as Nightwing in The Legion of Doom

Olivia Wilde
as Mercy Graves in The Legion of Doom
Cobie Smulders
as Wonder Woman in The Legion of Doom
Sean Bean
as Batman in The Legion of Doom

Coleman Domingo
as Green Lantern in The Legion of Doom
Kevin Costner
as Sam Lane in The Legion of Doom

Will Poulter
as Kid Flash in The Legion of Doom

Nathan Fillion
as Bizarro in The Legion of Doom
Andy Serkis
as Red Volcano in The Legion of Doom

Paul Giamatti
as Professor Ivo in The Legion of Doom

Charles Dance
as Count Vertigo in The Legion of Doom

Iain Glen
as Sinestro in The Legion of Doom