Suggestions by @thepopsorcerer

Pierre Coffin

as Jacques in Finding Nemo (Live Action)

Score: +1

Leah Remini

as Peach in Finding Nemo (Live Action)

Score: +1

Tom Kenny

as Slinky in Toy Story (Live Action)

Score: +1

Joan Cusack

as Jessie in Toy Story (Live Action)

Score: -2

Patrick Breen

as Rex in Toy Story (Live Action)

Score: +1

John Ratzenberger

as Hamm in Toy Story (Live Action)

Score: +1

Danny DeVito

as Mr. Potato Head in Toy Story (Live Action)

Score: +1

Tim Allen

as Buzz Lightyear in Toy Story (Live Action)

Score: +1

Tom Hanks

as Woody in Toy Story (Live Action)

Score: -1

Cameron Ocasio

as Crazy Joe Davola in Seinfeld (Young Version)

Score: +1

Samantha Mathis

as Helen Seinfeld in Seinfeld (Young Version)

Score: +1

Renée Zellweger

as Estelle Costanza in Seinfeld (Young Version)

Score: +1

Samuel L. Jackson

as Frozone in The Incredibles - Live Action

Score: +1

Wayne Knight

as Duck The Great Western Engine in Thomas And Friends Movie (Live Action)

Score: -2

Peter Dinklage

as Mickey Abbott in Seinfeld Reboot

Score: +1

Peter Dinklage

as Fred in Cars

Score: +2

J.K. Simmons

as Frank Costanza in Seinfeld (Young Version)

Score: +1

Kerry Shale

as Acer in Cars

Score: +2

Guido Quaroni

as Guido in Cars

Score: +2

David Harbour

as Rod Torque Redline in Cars

Score: +2