Suggestions by @m23claw

Darren Criss

as Nightwing in Batman and his Supporting Characters

Score: -6

Zac Efron

as Nightwing in Batman and his Supporting Characters

Score: -12

Liam Hemsworth

as Nightwing in Batman and his Supporting Characters

Score: -7

Alden Ehrenreich

as Nightwing in Batman and his Supporting Characters

Score: -1

Nicholas Hoult

as Nightwing in Batman and his Supporting Characters

Score: -5

Aaron Taylor-Johnson

as Nightwing in Batman and his Supporting Characters

Score: -8

Ansel Elgort

as Nightwing in Batman and his Supporting Characters

Score: -8

Saoirse Ronan

as Batgirl in Batman and his Supporting Characters

Score: -2

Mary Elizabeth Winstead

as Batgirl in Batman and his Supporting Characters

Score: -3

Olivia Cooke

as Batgirl in Batman and his Supporting Characters

Score: -1

Katherine Langford

as Batgirl in Batman and his Supporting Characters

Score: -5

Hailee Steinfeld

as Batgirl in Batman and his Supporting Characters

Score: -4

Emma Watson

as Batgirl in Batman and his Supporting Characters

Score: -9

Eric Bana

as Batman in Batman and his Supporting Characters

Score: -4

David Boreanaz

as Batman in Batman and his Supporting Characters

Score: -6

Richard Armitage

as Batman in Batman and his Supporting Characters

Score: 0

Anson Mount

as Batman in Batman and his Supporting Characters

Score: -6

Sam Witwer

as Batman in Batman and his Supporting Characters

Score: -5

Wes Bentley

as Batman in Batman and his Supporting Characters

Score: -3

Lee Pace

as Batman in Batman and his Supporting Characters

Score: -5