Suggestions by @splashtony

Cress Williams

as Black Lighting in New DCEU

Emilia Clarke

as Mera in New DCEU

Tom Hiddleston

as Loki in Avengers Secret Wars

Michael Cerveris

as Professor Pyg in New DCEU

Jon Hamm

as Hush in New DCEU

Michael Sheen

as Mad Hatter in New DCEU

Ewan McGregor

as Black Mask in New DCEU

John Barrowman

as Dark Archer in New DCEU

Viggo Mortensen

as Ra's al Ghul in New DCEU

Jason Momoa

as Lobo in New DCEU

Jeffrey Dean Morgan

as Batman Flashpoint in New DCEU

Brandon Routh

as Kingdom Come Superman in New DCEU

Dan Stevens

as John Constantine in New DCEU

Ron Livingston

as Henry Allen in New DCEU

Russell Crowe

as Jor-El in New DCEU

Antje Traue

as Faora in New DCEU

Alexandra Daddario

as Zatanna Zatar in New DCEU

Sofia Boutella

as Hawkgirl in New DCEU

Kiersey Clemons

as Iris West in New DCEU

Timothée Chalamet

as Batman Beyond in New DCEU