Suggestions by @maxhedroom

Adrianne Palicki

as Catwoman in Casting Call: Batman

Adrien Brody

as Joker in Casting Call: Batman

Baron Corbin

as Killer Croc in Casting Call: Batman

Aaron Gibson

as Bane in Casting Call: Batman

Dominic Sherwood

as Nightwing in Casting Call: Batman

Iain Armitage

as Robin in Casting Call: Batman

Rami Malek

as The Riddler in Casting Call: Batman

Adam Driver

as Scarecrow in Casting Call: Batman

Mark Wahlberg

as Two-Face in Casting Call: Batman

Ralph Fiennes

as Alfred in Casting Call: Batman

Stephen Graham

as Penguin in Casting Call: Batman

David Hyde Pierce

as Commissioner Gordon in Casting Call: Batman

Emma Stone

as Poison Ivy in Casting Call: Batman

Josh Hartnett

as Batman in Casting Call: Batman

Mark Strong

as Mr. Freeze in Casting Call: Batman

Michael Shannon

as Ra's Al Ghul in Casting Call: Batman

David Zayas

as The Comedian in Casting Call: Watchmen!

Bo Dietl

as The Comedian in Casting Call: Watchmen!

Arnold Schwarzenegger

as Hollis Mason in Casting Call: Watchmen!

David Tennant

as Moloch in Casting Call: Watchmen!