Suggestions by @lorog

Alfred Molina

as Penguin in Batman: Dark Tomorrow

James McAvoy

as The Riddler in Batman: Dark Tomorrow

Wyatt Russell

as Two-Face in Batman: Dark Tomorrow

Robert Pattinson

as The Joker in Batman: Dark Tomorrow

Nikolaj Coster-Waldau

as Deathstroke in Batman: Dark Tomorrow

Zain Al Rafeea

as The Boy in Batman: Dark Tomorrow

Tanner Buchanan

as Red Hood in Batman: Dark Tomorrow

Spoiler

as Red Hood in Batman: Dark Tomorrow

Penélope Cruz

as Talia Al Ghul in Batman: Dark Tomorrow

Navid Negahban

as Ra's Al Ghul in Batman: Dark Tomorrow

Griffin Gluck

as Red Robin in Batman: Dark Tomorrow

Jordan Calloway

as Batwing in Batman: Dark Tomorrow

Miyako

as Batgirl in Batman: Dark Tomorrow

Evan Rachel Wood

as Batwoman in Batman: Dark Tomorrow

Rebecca Ferguson

as Poison Ivy in Batman: Dark Tomorrow

Oscar Isaac

as Deadshot in Batman: Dark Tomorrow

Samara Weaving

as Harley Quinn in Batman: Dark Tomorrow

Emily Alyn Lind

as Robin in Batman: Dark Tomorrow

Rooney Mara

as Oracle in Batman: Dark Tomorrow

Andrew Garfield

as Nightwing in Batman: Dark Tomorrow