Suggestions by @nickyhill

Marty Feldman

as Dobby in Harry Potter Series in Classic Hollywood (1950s) [British Actors]

Score: +2

Mae Whitman

as Hermione Granger in Steven Spielberg's Harry Potter and the Philosopher's Stone

Score: +1

Hans Zimmer

as Composer in Fear and Loathing in Las Vegas (2021)

Score: +2

Keegan-Michael Key

as Satchel in Are We There Yet Remake

Score: 0

Ingrid Bergman

as Soothsayer in Kung Fu Panda (1968-1976)

Score: +4

Ted Knight

as Master Thundering Rhino in Kung Fu Panda (1968-1976)

Score: +3

Cesar Romero

as Master Croc in Kung Fu Panda (1968-1976)

Score: 0

Madonna

as (Alice-Sung By) in Tim Burton's Alice in Wonderland (1990)

Score: +3

Mike Starr

as Coach Carr in Mean Girls (1994)

Score: +2

Julie Walters

as The Dormouse in Tim Burton's Alice in Wonderland (1990)

Score: +3

Martin Klebba

as Tweedle-Dee & Tweedle-Dum in Tim Burton's Alice in Wonderland (1990)

Score: +3

Josh Gad

as Bonejangles in Corpse Bride

Score: 0

Tom Hiddleston

as Bernard in Beetlejuice

Score: +2

Mel Gibson

as Ted Striker in Airplane! (1990)

Score: +3

Matthew Broderick

as Ted Striker in Airplane! (1990)

Score: -1

Elijah Wood

as Joey in Airplane! (1990)

Score: +3

Cloris Leachman

as Jive Lady in Airplane! (1990)

Score: +3

Rodney Dangerfield

as Mr. Bigweld in Robots (Richard Rich Version)

Score: +1

Jordan Peele

as Buck The Horse in Home on the Range Live Action (2027)

Score: +3

Donna Gigliotti

as Producer in Legacy of Ruby Dee

Score: +5