Suggestions by @faisalalrasheed

Paul Weiland

as Director in Mr. Bean

Score: +1

Albert Brooks

as Old Salt in Fishing Village in Cabin Boy (2004)

Score: -1

Alec Baldwin

as Old Salt in Fishing Village in Cabin Boy (2004)

Score: -1

Jon Stewart

as Old Salt in Fishing Village in Cabin Boy (2004)

Score: +1

Richard Kind

as Skunk in Cabin Boy (2004)

Score: +1

Michael McShane

as Captain Greybar in Cabin Boy (2004)

Score: +1

Julia Louis-Dreyfus

as Mom in Dexter's Laboratory (1999 live-action movie)

Score: +3

Brendan Fraser

as Vallhalen in Dexter's Laboratory (1999 live-action movie)

Score: -1

Hugh Laurie

as Dad in Dexter's Laboratory (1999 live-action movie)

Score: 0

Ryan Stiles

as Dad in Dexter's Laboratory (1999 live-action movie)

Score: +3

Federico Fellini

as Director in The Wonderful Ice Cream Suit (1987)

Score: +1

Ray Bradbury

as Writer in The Wonderful Ice Cream Suit (1987)

Score: +1

Paul Weiland

as Director in Dexter's Laboratory (1999 live-action movie)

Score: 0

Bug Hall

as Mandark in Dexter's Laboratory (1999 live-action movie)

Score: +2

Bradley Pierce

as Mandark in Dexter's Laboratory (1999 live-action movie)

Score: 0

Wayne Knight

as Mr. Luzinsky in Dexter's Laboratory (1999 live-action movie)

Score: -1

Josh Mostel

as Mr. Luzinsky in Dexter's Laboratory (1999 live-action movie)

Score: 0

Alec Baldwin

as Dad in Dexter's Laboratory (1999 live-action movie)

Score: -1

Stephen Hibbert

as Writer in Dexter's Laboratory (1999 live-action movie)

Score: +1

Jay Kogen

as Writer in Dexter's Laboratory (1999 live-action movie)

Score: +1