Suggestions by @kevindolan

Tino Insana

as Donkey Kong in The Super Mario Bros. Movie (1993)

Score: +1

Peter Boyle

as Cranky Kong in The Super Mario Bros. Movie (1993)

Score: +2

Ned Beatty

as King Bowser in The Super Mario Bros. Movie (1993)

Score: +3

Tom Hanks

as Luigi in The Super Mario Bros. Movie (1993)

Score: +2

John Ratzenberger

as Cranky Kong in The Super Mario Bros Duology (2003- 2006)

Score: +3

Nathan Lane

as Mario in The Super Mario Bros. Movie (1993)

Score: +1

Danny Glover

as Penguin King in The Super Mario Bros Duology (2003- 2006)

Score: +3

Mark Hamill

as Bowser in The Super Mario Bros Duology (2003- 2006)

Score: +2

Fred Willard

as Cranky Kong in The Super Mario Bros Duology (2003- 2006)

Score: +1

Jeff Garlin

as Donkey Kong in The Super Mario Bros Duology (2003- 2006)

Score: +2

Patti Deutsch

as Mario and Luigi's mother in The Super Mario Bros. Movie (1993)

Score: +2

Henry Gibson

as Cranky Kong in The Super Mario Bros. Movie (1993)

Score: +1

Harvey Atkin

as King Bowser in The Super Mario Bros. Movie (1993)

Score: +2

James Earl Jones

as King Bowser in The Super Mario Bros. Movie (1993)

Score: +4

Peter MacNicol

as Luigi in The Super Mario Bros. Movie (1993)

Score: +5

John Stocker

as Toad in The Super Mario Bros. Movie (1993)

Score: +3

Moira Kelly

as Princess Toadstool in The Super Mario Bros. Movie (1993)

Score: +2

Don Bluth

as Director in The Super Mario Bros. Movie (1993)

Score: +2

Charles Nelson Reilly

as Kamek in The Super Mario Bros. Movie (1993)

Score: +3

Jim Varney

as Kamek in The Super Mario Bros. Movie (1993)

Score: +3