Suggestions by @georgepeppard2002

Zooey Deschanel

as Kate Houghton in Looney Tunes: Back in Action

Score: -2

Adam Sandler

as D.J. Drake in Looney Tunes: Back in Action

Score: -2

Eddie Murphy

as Bertie in Space Jam

Score: +1

Seth Rogen

as Hubie in Space Jam

Score: 0

Kevin Michael Richardson

as Tasmanian Devil in Space Jam

Score: 0

Eric Idle

as Marvin the Martian in Space Jam

Score: +1

Betty White

as Granny in Space Jam

Score: +1

Mads Mikkelsen

as Pepé Le Pew in Space Jam

Score: +1

Steve Coogan

as Foghorn Leghorn in Space Jam

Score: -2

Jamie Costa

as Tweety Bird in Space Jam

Score: -2

Wallace Shawn

as Sylvester in Space Jam

Score: 0

Jonah Hill

as Porky Pig in Space Jam

Score: -1

Billy Crystal

as Elmer Fudd in Space Jam

Score: -2

Kaitlin Olson

as Lola Bunny in Space Jam

Score: -2

Joe Jonas

as Daffy Duck in Space Jam

Score: -5

Benedict Cumberbatch

as Bugs Bunny in Space Jam

Score: -4

Nathan Fillion

as Mr. Swackhammer in Space Jam

Score: 0

Danny Glover

as James R. Jordan, Sr. in Space Jam

Score: +1

Chloe Bailey

as Jasmine Jordan in Space Jam

Score: +1

Ozzy Osbourne

as Larry Johnson in Space Jam

Score: +2