Suggestions by @rover

Gaten Matarazzo

as Billy Cranston in Power

Score: +2

Jim Carrey

as Vector in Despicable Me

Score: +1

Cameron Monaghan

as Syndrome in Incredible

Score: +4

Walker Scobell

as Dash in Incredible

Score: +8

Jenna Ortega

as Violet in Incredible

Score: -2

David Harbour

as Bob in Incredible

Score: +7

Linda Cardellini

as Elastic girl in Incredible

Score: +6

Daniel Radcliffe

as Two face in Batman

Score: +1

Jamie Foxx

as Nick fury in Avengers

Score: +1

Dylan O'Brien

as Hawkeye in Avengers

Score: +1

Anna Hathaway

as Black widow in Avengers

Score: +1

Christian Bale

as Hulk in Avengers

Score: +1

Matt Damon

as Thor in Avengers

Score: +1

John Krasinski

as Captain America in Avengers

Score: +1

Tom Cruise

as Iron man in Avengers

Score: +1

Jacob Bertrand

as Hans in Frozen

Score: +1

Rupert Grint

as Kristoff in Frozen

Score: +1

Ariana Grande

as Anna in Frozen

Score: 0

Taylor Swift

as Elsa in Frozen

Score: +3

Josh Gad

as Olaf in Frozen

Score: +2