Suggestions by @brendancrowley

Carl Reiner

as Scarlet Cyclone in Legends of the Superheroes (2010s)

Score: +1

Jeff Ross

as Roastmaster in Legends of the Superheroes (2010s)

Score: +1

Seth MacFarlane

as Roastmaster in Legends of the Superheroes (2010s)

Score: +1

Barbara Stanwyck

as Gilda Dent in Batman: "The Crimes of Two-Face" (1942)

Score: +1

Wallace Beery

as Joe in Batman: "The Crimes of Two-Face" (1942)

Score: +1

Edward G. Robinson

as Boss Sal Maroni in Batman: "The Crimes of Two-Face" (1942)

Score: +1

Humphrey Bogart

as Two-Face in Batman: "The Crimes of Two-Face" (1942)

Score: -2

Mickey Rooney

as Robin in Batman: "The Crimes of Two-Face" (1942)

Score: -2

Errol Flynn

as Batman in Batman: "The Crimes of Two-Face" (1942)

Score: -2

Anthony Hopkins

as Carpenter in Batman: Through The Looking Glass

Score: +1

Benedict Cumberbatch

as Walrus in Batman: Through The Looking Glass

Score: +1

Michael Fassbender

as Harry March in Batman: Through The Looking Glass

Score: +1

Emma Stone

as Grace in Batman: Through The Looking Glass

Score: +1

Tilda Swinton

as Queen of Hearts in Batman: Through The Looking Glass

Score: +1

Jordan Peele

as Dunphry Tweedle in Batman: Through The Looking Glass

Score: +1

Keegan-Michael Key

as Denim Tweedle in Batman: Through The Looking Glass

Score: +1

Joseph Gordon-Levitt

as Jimmy Cheshire in Batman: Through The Looking Glass

Score: +1

Johnny Depp

as White Rabbit in Batman: Through The Looking Glass

Score: +1

Helen Mirren

as Judge Rosalyn Hart in Batman: Through The Looking Glass

Score: +1