Suggestions by @michaelcosby

Joey Batey

as Commander Dick Grayson in Ben Affleck's Batman: Beyond the White Knight

Score: +1

Nathan Keyes

as Jason Todd in Fede Álvarez's Batman: White Knight

Score: +1

Joey Batey

as Nightwing in Fede Álvarez's Batman: White Knight

Score: +1

Nathan Keyes

as Jason Todd in Gavin O'Connor's Batman: Curse of the White Knight

Score: +1

Joey Batey

as Dick Grayson in Gavin O'Connor's Batman: Curse of the White Knight

Score: +1

Mia Kirshner

as Dinah Lance in Batman: DarKnight

Score: +1

Andrew Davis

as Director in Batman: DarKnight

Score: +1

Glen Powell

as Bruce Wayne in The Brave and the Bold

Score: 0

Sherilyn Fenn

as Martha Wayne in Sam Raimi's Batman: Echoes

Score: +1

Tony Goldwyn

as Thomas Wayne in Sam Raimi's Batman: Echoes

Score: +2

Tom Sturridge

as Young Bruce Wayne in Sam Raimi's Batman: Echoes

Score: +1

Brad Dourif

as Jack Napier in Sam Raimi's Batman: Echoes

Score: +3

Richard Riehle

as James Gordon in Sam Raimi's Batman: Echoes

Score: +1

Tony Sirico

as Carmine Falcone in Sam Raimi's Batman: Shadows

Score: +2

Heather Graham

as Doctor Q in Sam Raimi's Batman: Shadows

Score: +1

Prince

as Gemini in Sam Raimi's Batman: Shadows

Score: +2

Sam Hamm

as Writer in Sam Raimi's Batman: Echoes

Score: +1

Tim Burton

as Producer in Sam Raimi's Batman: Echoes

Score: +1

Sam Raimi

as Director in Sam Raimi's Batman: Echoes

Score: +2

Richard Schiff

as Hugo Strange in Sam Raimi's Batman: Echoes

Score: +2