Suggestions by @johnhomer

Robbie Amell

as Superman II (Formerly Superboy) in Titans/Young(er) Justice

Score: +1

Cameron Monaghan

as Flash II (formerly Kid Flash) in Titans/Young(er) Justice

Score: +1

Finn Wittrock

as Nightwing in Titans/Young(er) Justice

Score: +1

Brad Allan

as Choreographer in Batman

Score: +1

Brad Allen

as Choreographer in Batman

Score: +1

Guillermo del Toro

as Director in Batman

Score: +1

Kevin Conroy

as Grey Ghost in Batman

Score: +1

Michelle Rodriguez

as Rene Montoya in Batman

Score: +1

Michelle Rodriguez

as Rene Montoya in Batman

Score: +1

Gina Rodriguez

as Rene Montoya in Batman

Score: +1

Jon Favreau

as Harvey Bullock in Batman

Score: +1

John Lithgow

as The Ventriloquist/Scarface in Batman

Score: +1

John Lithgow

as Red Hood in Batman

Score: +1

Taron Egerton

as Red Hood in Batman

Score: +1

Bruce Timm

as Writer in Batman

Score: +1

Doug Jones

as Man-Bat in Batman

Score: +1

Joe Manganiello

as Owlman in Batman

Score: +1

Gal Gadot

as Talia Al Ghul in Batman

Score: +1

Patrick Stewart

as Mr Freeze in Batman

Score: +1

Jessie Buckley

as Batgirl/Oracle in Batman

Score: +1