Suggestions by @nerdperson

Tati Gabrielle

as Leslie Willis in Characters that should have been in the DCEU

Sophie Thatcher

as Leslie Willis in Characters that should have been in the DCEU

Mark Strong

as Vril Dox in Characters that should have been in the DCEU

Richard Brake

as Felix Faust in Characters that should have been in the DCEU

Lance Reddick

as Felix Faust in Characters that should have been in the DCEU

Trevante Rhodes

as Atros in Characters that should have been in the DCEU

Robert Patrick

as Atros in Characters that should have been in the DCEU

Michael Shannon

as Atros in Characters that should have been in the DCEU

Bill Hader

as Guy Gardner in Characters that should have been in the DCEU

Cameron Monaghan

as Guy Gardner in Characters that should have been in the DCEU

Dacre Montgomery

as Roy Harper in Characters that should have been in the DCEU

Jake Austin Walker

as Roy Harper in Characters that should have been in the DCEU

Dacre Montgomery

as Speedy in Characters that should have been in the DCEU

Jake Austin Walker

as Speedy in Characters that should have been in the DCEU

David Wain

as Bat-Mite in Characters that should have been in the DCEU

Patton Oswalt

as Ch'p in Characters that should have been in the DCEU

Mark Hamill

as Ch'p in Characters that should have been in the DCEU

Jacob Tremblay

as Ch'p in Characters that should have been in the DCEU

Simon Webster

as Ch'p in Characters that should have been in the DCEU

Bill Hader

as Ch'p in Characters that should have been in the DCEU