Suggestions by @egonspengler

Docs Keepin Time

as Darkie in The Real Ghostbusters (Live-Action) (1986-1991)

Score: +1

Harold Ramis

as The Narrator in Dumbo (1980s)

Score: +1

Harold Ramis

as Nick Coster in Dumbo (2005 Remake)

Score: +1

Dan Aykroyd

as Nick Coster in Dumbo 2019 (How it should have been)

Score: +1

Dave Coulier

as Jumbo in Dumbo

Score: +1

Harold Ramis

as Jumbo in Dumbo

Score: +2

Maurice LaMarche

as Egon Spengler in Dumbo's Halloween Circus

Score: +1

Harold Ramis

as Cinderevan in Cinderella Genderbend

Score: +2

Gert Fröbe

as Owen in Total Drama

Score: +1

DIC Entertainment

as Animation Studios in Total Drama

Score: +1

Humphrey Bogart

as Guest star in Total Drama

Score: +1

Humphrey Bogart

as Topher in Total Drama

Score: +1

Harold Ramis

as Topher in Total Drama

Score: +1

Humphrey Bogart

as Trent in Total Drama

Score: +1

Ron Howard

as Harold in Total Drama (Live Action 70's)

Score: +1

Cary Grant

as Trent in Total Drama (Live Action 70's)

Score: +1

Cary Granat

as Trent in Total Drama (Live Action 70's)

Score: -1

Harold Ramis

as Topher in Total Drama (Live Action 70's)

Score: +1

Harold Ramis

as Topher in Total Drama

Score: +1

Mads Mikkelsen

as Owen in Total Drama

Score: 0