Suggestions by @aaronkime

D'Pharaoh Woon-A-Tai

as Nightwing in James Gunn's DC Cinematic Universe

Emma Myers

as Luornu Durgo/Triplicate Girl in DC Cinematic Casting Universe

Joel Edgerton

as Commissioner James Gordon in James Gunn’s DC Universe

Jessica Rothe

as Dr. Harleen Quinzel in James Gunn’s DC Universe

Eleanor Tomlinson

as Dr. Pamela Isley in James Gunn’s DC Universe

Marcus Johnson

as J'onn J'onzz in James Gunn’s DC Universe

Chris Hemsworth

as Arthur Curry in James Gunn’s DC Universe

Madelyn Cline

as Iris West in James Gunn’s DC Universe

Karl Urban

as Slade Wilson in James Gunn’s DC Universe

Shuya Sophia Cai

as Cassandra Cain in James Gunn’s DC Universe

Zaire Adams

as Victor Stone in James Gunn’s DC Universe

Yonas Kibreab

as Garfield Logan in James Gunn’s DC Universe

Bradley Cooper

as Jor-El in James Gunn’s DC Universe

RackaRacka

as "The Brave and the Bold" Director in James Gunn’s DC Universe

Rudy Pankow

as Steve Trevor in James Gunn’s DC Universe

Craig Gillespie

as "Supergirl" Director in James Gunn’s DC Universe

Ben Leonberg

as "The Authority" Director in James Gunn’s DC Universe

Sam Raimi

as "The Authority" Director in James Gunn’s DC Universe

Hwang Dong-hyuk

as "The Authority" Director in James Gunn’s DC Universe

Jacob Tremblay

as Tim Drake in James Gunn’s DC Universe