Suggestions by @user_251283

Kaya Scodelario

as Lena Luthor in DCU

Score: +2

Aya Cash

as Alex Danvers in DCU

Score: +2

Dwayne Johnson

as Krypto the Superdog in DCU

Score: +2

Katheryn Winnick

as Black Canary in DCU

Score: +2

Florian Munteanu

as KGBeast in DCU

Score: +1

Josh Segarra

as Polymetheus in DCU

Score: +1

Doug Jones

as Manbat in DCU

Score: +2

Youssef El Sherif

as Ra's Al Ghul in DCU

Score: 0

LaKeith Stanfield

as Luke Fox in DCU

Score: +2

Anya Chalotra

as Talia Al Ghul in DCU

Score: 0

Bryan Cranston

as Jim Gordon in DCU

Score: +2

Maya Hawke

as Barbara Gordon in DCU

Score: +2

Bradley Cooper

as Krem in DCU

Score: +2

Anthony Starr

as Reverse Flash in DCU

Score: +2

Jaimie Alexander

as Wonder Woman in DCU

Score: +3

Eva Green

as Grail in DCU

Score: +1

Jeremy Irons

as Alfred Pennyworth in DCU

Score: -1

Ving Rhames

as Kilowog in DCU

Score: +2

Ron Perlman

as Atrocitus in DCU

Score: +2

Luke Evans

as Sinestro in DCU

Score: +2