Suggestions by @aaronsamuels

Stephen Amell

as Green Arrow in DC(E)U

Score: -1

Maria Canals-Barrera

as Hawkgirl in DC(E)U

Score: +1

Jerry O'Connell

as Shazam in DC(E)U

Score: -1

Zachary Levi

as Shazam in DC(E)U

Score: +1

Jason Momoa

as Aquaman in DC(E)U

Score: +1

Kevin Michael Richardson

as Martian Manhunter in DC(E)U

Score: +1

Harry Lenix

as Martian Manhunter in DC(E)U

Score: -1

David Harewood

as Martian Manhunter in DC(E)U

Score: -1

Ryan Reynolds

as Green Lantern (2814.2) in DC(E)U

Score: -1

Nathan Fillion

as Green Lantern (2814.2) in DC(E)U

Score: +1

Lynda Carter

as Wonder Woman in DC(E)U

Score: -1

Gal Gadot

as Wonder Woman in DC(E)U

Score: -1

George Clooney

as Batman in DC(E)U

Score: -2

Val Kilmer

as Batman in DC(E)U

Score: -2

Ben Affleck

as Batman in DC(E)U

Score: -2

Will Arnett

as Batman in DC(E)U

Score: 0

Adam West

as Batman in DC(E)U

Score: -2

Robert Pattinson

as Batman in DC(E)U

Score: 0

Kevin Conroy

as Batman in DC(E)U

Score: 0

Michael Keaton

as Batman in DC(E)U

Score: -2