Suggestions by @benrei

Kiefer Sutherland

as Sheriff Bronson in Scooby Doo Mystery Incorporated (Live Action)

Score: +1

Mae Whitman

as Velma in Scooby Doo Mystery Incorporated (Live Action)

Score: +3

P!nk

as Daphne in Scooby Doo Mystery Incorporated (Live Action)

Score: -6

James Marsden

as Fred in Scooby Doo Mystery Incorporated (Live Action)

Score: -2

Dave Franco

as Shaggy in Scooby Doo Mystery Incorporated (Live Action)

Score: -3

Kevin Hart

as Scooby in Scooby Doo Mystery Incorporated (Live Action)

Score: 0

Hugh Grant

as King Harold in Shrek Recast

Score: +2

Jason Lee

as Humpty Alexander Dumpty in Shrek Recast

Score: +2

Beyoncé

as Kitty Softpaws in Shrek Recast

Score: +1

Rose Byrne

as Fiona in Shrek Recast

Score: +5

Jonah Hill

as Prince Charming in Shrek Recast

Score: +1

Nathan Lane

as Rumpelstiltskin in Shrek Recast

Score: +1

Will Arnett

as Puss in Boots in Shrek Recast

Score: +2

Breanna Yde

as Young Gloria in Happy Feet (My Own Cast Version)

Score: +1

Kevin Hart

as Clyde McBride (now 51 years old) (voice) in The Louder House (The Loud House sequel show, the married years)

Score: +1

Kevin Hart

as Seymour in Happy Feet (My Own Cast Version)

Score: +2

Jacob Tremblay

as Young Seymour in Happy Feet (My Own Cast Version)

Score: +1

Hugh Jackman

as Shrek in Shrek Recast

Score: +4

Chris Hemsworth

as Vitaly in Madagascar Recast

Score: +7

Zoe Saldaña

as Gia in Madagascar Recast

Score: +5