Suggestions by @gigahank

James Earl Jones

as Darkseid in The Burtonverse

Patrick Swayze

as Green Arrow in The Burtonverse

Bruce McGill

as Detective Harvey Bullock in The Burtonverse

Shaquille O'Neal

as Steel in The Burtonverse

Robin Williams

as Riddler in The Burtonverse

Laurence Fishburne

as Black Mantha in The Burtonverse

Kevin Costner

as Guy Gardner in The Burtonverse

Danny DeVito

as Penguin in The Burtonverse

Christina Applegate

as Supergirl in The Burtonverse

Lisa Bonet

as Hawkgirl in The Burtonverse

Johnny Depp

as Aquaman in The Burtonverse

Samuel L. Jackson

as Green Lantern in The Burtonverse

Marlon Wayans

as Robin in The Burtonverse

Sandra Bullock

as Lois Lane in The Burtonverse

Winona Ryder

as Batgirl in The Burtonverse

Jensen Ackles

as Arthur Morgan in Red Dead Redemption (TV Show)

Warwick Davis

as Orko in He-Man and the Masters of the Universe

John Cena

as Tri-Klops in He-Man and the Masters of the Universe

Karl Urban

as Battle Cat in He-Man and the Masters of the Universe

Johan Renck

as Director in He-Man and the Masters of the Universe