Suggestions by @jonnn

Billy Zane

as Hugo Strange in James Gunn's DC Cinematic Universe

Rami Malek

as Mad Hatter in James Gunn's DC Cinematic Universe

Nicholas Hoult

as Deadman in James Gunn's DC Cinematic Universe

Michael Jai White

as Wildcat (Ted Grant) in James Gunn's DC Cinematic Universe

Michael Ironside

as The Penguin in James Gunn's DC Cinematic Universe

Will Poulter

as The Flash in James Gunn's DC Cinematic Universe

Zeeko Zaki

as Hawkman in James Gunn's DC Cinematic Universe

Jonathan Rhys Meyers

as Thall Sinestro in James Gunn's DC Cinematic Universe

Craig Roberts

as Beast Boy in James Gunn's DC Cinematic Universe

Booboo Stewart

as Nightwing in James Gunn's DC Cinematic Universe

Charlie Hunnam

as Jean-Paul Valley in James Gunn's DC Cinematic Universe

Aubrey Plaza

as Blackbird in James Gunn's DC Cinematic Universe

DJ Qualls

as Scarecrow in James Gunn's DC Cinematic Universe

Jean Reno

as Hugo Strange in James Gunn's DC Cinematic Universe

Alfred Molina

as Hugo Strange in James Gunn's DC Cinematic Universe

Christopher Meloni

as Heat Wave in James Gunn's DC Cinematic Universe

Bob Balaban

as Jonathan Kent in James Gunn's DC Cinematic Universe

John Larroquette

as Perry White in James Gunn's DC Cinematic Universe

Beau Bridges

as Perry White in James Gunn's DC Cinematic Universe

Milo Gibson

as Superman in James Gunn's DC Cinematic Universe