Suggestions by @colinsilber

Noah Jupe

as Robin in The Batman: House of Madness

Score: +1

Storm Reid

as Batgirl in The Batman: House of Madness

Score: +1

Jeffrey Wright

as Commissioner James Gordon in The Batman: House of Madness

Score: +1

Zoë Kravitz

as Catwoman in The Batman: House of Madness

Score: +2

Andy Serkis

as Alfred Pennyworth in The Batman: House of Madness

Score: +1

Robert Pattinson

as Batman in The Batman: House of Madness

Score: +2

Dove Cameron

as Harley Quinn in CW's Batman

Score: +1

Bridget Regan

as Poison Ivy in CW's Batman

Score: +1

Mads Mikkelsen

as Mr. Freeze in CW's Batman

Score: +1

Roman Reigns

as Bane in CW's Batman

Score: -2

Billy Magnussen

as Joker in CW's Batman

Score: +1

Matt Smith

as Clayface in CW's Batman

Score: +1

Matt Smith

as Clayface in Batman arrowverse

Score: +1

Conleth Hill

as Professor Pyg in CW's Batman

Score: +1

Luke Evans

as Azrael in CW's Batman

Score: +1

Martin Short

as Mad Hatter in CW's Batman

Score: +1

Sterling K. Brown

as Two-Face in CW's Batman

Score: +1

Matt Nable

as Ra's al Ghul in CW's Batman

Score: +1

Michael Rowe

as Deadshot in CW's Batman

Score: +1