Suggestions by @thepopsorcerer

Owen Wilson

as Lightning McQueen in Cars

Score: +3

Rami Malek

as Yev Kassem in Seinfeld (Young Version)

Score: +1

Adam Sandler

as Frank Costanza in Seinfeld (Young Version)

Score: +1

Kevin James

as Morty Seinfeld in Seinfeld (Young Version)

Score: +1

Marisa Tomei

as Helen Seinfeld in Seinfeld (Young Version)

Score: +1

Tom Kenny

as Larry Koopa in Super Mario Bros (Live Action Movie)

Score: +1

Keith Scott

as Roy Koopa in Super Mario Bros (Live Action Movie)

Score: +1

Grey DeLisle

as Wendy Koopa in Super Mario Bros (Live Action Movie)

Score: +1

John Ratzenberger

as Fish School in Finding Nemo (Live Action)

Score: +1

Seth Rogen

as Bloat in Finding Nemo (Live Action)

Score: +1

Willem Dafoe

as Gill in Finding Nemo (Live Action)

Score: +1

Jason Momoa

as Crush in Finding Nemo (Live Action)

Score: +1

Hailee Steinfeld

as Deb/Flo in Finding Nemo (Live Action)

Score: 0

Michael Cera

as Gurgle in Finding Nemo (Live Action)

Score: +1

Tom Hiddleston

as Chum in Finding Nemo (Live Action)

Score: +1

Idris Elba

as Bruce in Finding Nemo (Live Action)

Score: +2

Benedict Cumberbatch

as Anchor in Finding Nemo (Live Action)

Score: +1

Albert Brooks

as Marlin in Finding Nemo (Live Action)

Score: +2

Sylvester Stallone

as Morton Koopa in Super Mario Bros (Live Action Movie)

Score: +1

Jonah Hill

as Kamek in Super Mario Bros (Live Action Movie)

Score: +1