Suggestions by @mijaelgoh

Jaeden Martell

as Gohan in Dragon Ball Z (Live Action Film Series)

Score: 0

Ben Affleck

as Bardock in Dragon Ball Z (Live Action Film Series)

Score: -2

Mark Margolis

as Mr. Frank Alexander in A Clockwork Orange

Score: +1

Miles Kane

as Paul McCartney in The Beatles Biopic

Score: -18

Maxim Baldry

as Freddie mercury in David Bowie Biopic

Score: -1

Dylan Minnette

as Adult Gohan in Dragon Ball Z (Live Action Film Series)

Score: -3

Dylan Sprouse

as Trunks in Dragon Ball Z (Live Action Film Series)

Score: -3

Henry Cavill

as Son Goku in Dragon Ball Z (Live Action Film Series)

Score: +1

Josh Brolin

as Bruce Wayne in Suckas

Score: +1

Mustafa Shakir

as Lucius Best in The Incredibles

Score: -11

Christopher Walken

as Dr. Emmett "Doc" Brown in Back to the Future

Score: -9

Tye Sheridan

as Marty McFly in Back to the Future

Score: -9

Rio Mangini

as Dib in Invader Zim

Score: +1

Jaeden Martell

as Invader Zim in Invader Zim

Score: +3

Mackenzie Foy

as Violet Parr in The Incredibles

Score: +64

Hayley Atwell

as Elastigirl in The Incredibles

Score: +39

Alden Ehrenreich

as Vincent Vega in Pulp Fiction

Score: -7