Suggestions by @jefferydavis

Vincent D'Onofrio

as Professor Pyg in Batman Villain Fancast

Robbie Amell

as Arkham Knight in Batman Villain Fancast

Nikolaj Coster-Waldau

as Deathstroke in Batman Villain Fancast

Toby Jones

as The Penguin in Batman Villain Fancast

Dave Bautista

as Hugo Strange in Batman Villain Fancast

Rami Malek

as Scarecrow in Batman Villain Fancast

Brian Cranstone

as Mr Freeze in Batman Villain Fancast

Mads Mikkelsen

as Ra's Al Ghoul in Batman Villain Fancast

Ana de Armas

as Poison Ivy in Batman Villain Fancast

Neil Patrick Harris

as The Riddler in Batman Villain Fancast