Suggestions by @aaronsamuels

Hailee Steinfeld

as Zatanna in DC(E)U

Matt Ryan

as Constantine in DC(E)U

David Ramsey

as Green Lantern (2814.1) in DC(E)U

Phil LaMarr

as Green Lantern (2814.1) in DC(E)U

Conor Leslie

as Donna Troy in DC(E)U

Adelaide Kane

as Donna Troy in DC(E)U

Bryan Cranston

as Mr. Freeze in DC(E)U

Arnold Schwarzenegger

as Mr. Freeze in DC(E)U

Alicia Silverstone

as Batgirl in DC(E)U

Savannah Welch

as Batgirl in DC(E)U

Leslie Grace

as Batgirl in DC(E)U

Yvonne Craig

as Batgirl in DC(E)U

Michael B. Jordan

as Cyborg in DC(E)U

Joivan Wade

as Cyborg in DC(E)U

Khary Payton

as Cyborg in DC(E)U

Ryan Potter

as Beast Boy in DC(E)U

Greg Cipes

as Beast Boy in DC(E)U

Colton Haynes

as Red Arrow, Speedy, Arsenal in DC(E)U

Ryan Potter

as Atom II in DC(E)U

Ray Fisher

as Cyborg in DC(E)U