Suggestions by @colinsilber

Manu Bennett

as Deathstroke in CW's Batman

Score: +1

Fala Chen

as Lady Shiva in CW's Batman

Score: +1

Bokeem Woodbine

as Killer Croc in CW's Batman

Score: +1

Michael Fassbender

as Man Bat in CW's Batman

Score: +1

Dane DeHaan

as Scarecrow in CW's Batman

Score: +1

Peter Outerbridge

as Black Mask in CW's Batman

Score: +1

David Tennant

as Riddler in CW's Batman

Score: +1

Dan Fogler

as Penguin in CW's Batman

Score: +1

Lexa Doig

as Talia al Ghul in CW's Batman

Score: +1

Morena Baccarin

as Catwoman in CW's Batman

Score: 0

Genevieve Hannelius

as Batgirl in CW's Batman

Score: +1

Noah Schnapp

as Robin in CW's Batman

Score: +1

Nicholas Hamilton

as Red Hood in CW's Batman

Score: 0

KJ Apa

as Nightwing in CW's Batman

Score: +1

Forest Whitaker

as Lucius Fox in CW's Batman

Score: +1

Damian Lewis

as Commissioner James W. Gordon in CW's Batman

Score: +1

Jonathan Pryce

as Alfred Pennyworth in CW's Batman

Score: +1

Warren Christie

as Batman in CW's Batman

Score: +1