Suggestions by @corvuscameron

Aldis Hodge

as Hawkman in DCU

Regé-Jean Page

as Hawkman in DCU

Richard E. Grant

as Alfred Pennyworth in DCU

Dennis Quaid

as Jay Garrick in DCU

Tanner Buchanan

as Jason Todd in DCU

Alyvia Alyn Lind

as Cassandra Sandsmark in DCU

Phoebe Tonkin

as Batwoman in DCU

Evan Rachel Wood

as Batwoman in DCU

Kristen Stewart

as Batwoman in DCU

Hisham Tawfiq

as Martian Manhunter in DCU

Chukwudi Iwuji

as Martian Manhunter in DCU

Peter Mensah

as Martian Manhunter in DCU

Harry Lennix

as Martian Manhunter in DCU

Marie Avgeropoulos

as Wonder Woman in DCU

Melissanthi Mahut

as Wonder Woman in DCU

Gal Gadot

as Wonder Woman in DCU

Ernie Hudson

as Lucius Fox in DCU

Lucas Till

as The Flash ( Barry Allen ) in DCU

Catherine Zeta-Jones

as Hippolyta in DCU

Andrew Richardson

as Superman in DCU