Suggestions by @estmata

Christopher Meloni

as Arnold Flass in Batman Reboot by Matt Reeves

Hugh Laurie

as Alfred Pennyworth in All New Justice League

Logan Marshall-Green

as Orion in All New Justice League

Doug Jones

as Parademons in All New Justice League

Harvey Keitel

as Highfather in All New Justice League

Sam Heughan

as Lightray in All New Justice League

Logan Lerman

as Jimmy Olsen in All New Justice League

Mahershala Ali

as Black Racer in All New Justice League

Rory McCann

as Kalibak in All New Justice League

Iwan Rheon

as Scott Free in All New Justice League

Anton Lesser

as Desaad in All New Justice League

Grace Zabriskie

as Granny Goodness in All New Justice League

Gemma Arterton

as Big Barda in All New Justice League

Aaron Paul

as Barry Allen in All New Justice League

Peter Dinklage

as Oberon in All New Justice League

Rebecca Ferguson

as Lois Lane in All New Justice League

Alexandra Daddario

as Diana Prince in All New Justice League

Mark Strong

as Lex Luthor in All New Justice League

Daniel Kaluuya

as Jon Stewart in All New Justice League

Idris Elba

as J'onn J'onzz in All New Justice League