Suggestions by @charlesthefifth

John Bradley

as Percy in Thomas the Tank Engine & Friends Live Action (please read synopsis)

Score: +4

Anthony Hopkins

as Sir Topham Hatt in Thomas the Tank Engine & Friends Live Action (please read synopsis)

Score: +2

Ralph Fiennes

as Gordon in Thomas the Tank Engine & Friends Live Action (please read synopsis)

Score: +2

John Kassir

as Starscream in The Transformers

Score: +2

Peter Cullen

as Primus in The Transformers

Score: +1

Mako

as Oogway in Kung Fu Panda 3 (1996)

Score: -1

Colleen Camp

as Mei-Mei in Kung Fu Panda 3 (1996)

Score: +2

John Lithgow

as Kai in Kung Fu Panda 3 (1996)

Score: -3

Sonny Chiba

as Monkey in Kung Fu Panda 3 (1996)

Score: +1

Austin Pendleton

as Crane in Kung Fu Panda 3 (1996)

Score: +1

Pam Grier

as Viper in Kung Fu Panda 3 (1996)

Score: +1

Jim Belushi

as Mantis in Kung Fu Panda 3 (1996)

Score: +1

Meryl Streep

as Tigress in Kung Fu Panda 3 (1996)

Score: +1

Dom DeLuise

as Po in Kung Fu Panda 3 (1996)

Score: -2

Sonny Chiba

as Monkey in Kung Fu Panda 2 (1991)

Score: +1

Austin Pendleton

as Crane in Kung Fu Panda 2 (1991)

Score: +1

Pam Grier

as Viper in Kung Fu Panda 2 (1991)

Score: +1

Jim Belushi

as Mantis in Kung Fu Panda 2 (1991)

Score: +1

Meryl Streep

as Tigress in Kung Fu Panda 2 (1991)

Score: +1

Dom DeLuise

as Po in Kung Fu Panda 2 (1991)

Score: -2