Suggestions by @jdfitzgerald

Kristen Schaal

as Toadette in A Super Mario Christmas

Score: +1

Timothy Dalton

as Toadsworth in The Super Mario Bros. Movie

Score: +1

Danny DeVito

as Wario in The Super Mario Bros. Movie

Score: +2

Jeff Goldblum

as Waluigi in The Super Mario Bros. Movie

Score: +1

Benny Safdie

as Bowser Jr. in The Super Mario Bros. Movie

Score: +1

Kristen Schaal

as Toadette in The Super Mario Bros. Movie

Score: +1

Tom Kenny

as Yoshi in The Super Mario Bros. Movie

Score: +1

Luke Evans

as King K. Rool in Mario Movie Redone/Recast

Score: +1

Emma Watson

as Princess Daisy in Nintendo + Illumination presents: The Super Mario Bros. Movie

Score: +1

Kristen Schaal

as Toadette in Nintendo + Illumination presents: The Super Mario Bros. Movie

Score: +1

John Cleese

as Toadsworth in Nintendo + Illumination presents: The Super Mario Bros. Movie

Score: +1

Alan Tudyk

as Yoshi in The Super Mario Bros. Movie 2

Score: +1

'Weird Al' Yankovic

as Iggy in The Super Mario Galaxy Movie

Score: +1

Hank Azaria

as Ludwig in The Super Mario Galaxy Movie

Score: +1

Brad Garrett

as Morton in The Super Mario Galaxy Movie

Score: +1

Paul Rudd

as Larry in The Super Mario Galaxy Movie

Score: +2

Wally Wingert

as Lemmy in The Super Mario Galaxy Movie

Score: +1

John DiMaggio

as Roy in The Super Mario Galaxy Movie

Score: +1

Tom Kenny

as Yoshi in The Super Mario Galaxy Movie

Score: +1

Jeff Goldblum

as Waluigi in The Super Mario Galaxy Movie

Score: +1