Suggestions by @nihilus

Fionn Whitehead

as Jason Todd in DCU Batman

Patrick Luwis

as Jason Todd in DCU Batman

Thomas Doherty

as Dick Grayson in DCU Batman

Leo Howard

as Dick Grayson in DCU Batman

Josh Heuston

as Dick Grayson in DCU Batman

Nam Yoon-su

as Dick Grayson in DCU Batman

Mackenyu

as Dick Grayson in DCU Batman

Itthipat Thanit

as Dick Grayson in DCU Batman

Charlie Cox

as The Joker in DCU Batman

Dev Patel

as The Joker in DCU Batman

T.O.P

as The Joker in DCU Batman

Kanon Miyahara

as Cassandra Cain in DCU Batman

Ririka Kawashima

as Cassandra Cain in DCU Batman

Jo Yu-ri

as Cassandra Cain in DCU Batman

Olivia Chun

as Cassandra Cain in DCU Batman

Michaela Zee

as Cassandra Cain in DCU Batman

Miyako

as Cassandra Cain in DCU Batman

Peyton Elizabeth Lee

as Cassandra Cain in DCU Batman

Ashley Liao

as Cassandra Cain in DCU Batman

Alice Hewkin

as Cassandra Cain in DCU Batman