Suggestions by @dantedixon

Kevin Kline

as Cousin Tulio in Alvin Little (1995)

Score: +1

Tony Jay

as Shere Khan in Alvin Little (1995)

Score: +3

Shere Khan (The Jungle Book)

as Shere Khan in Alvin Little (1995)

Score: -4

Tara Strong

as Spike the Dog in Lapis Lazuli (1993)

Score: +1

John Lithgow

as Gov. Farquaad in Lapis Lazuli (1993)

Score: +1

Corey Burton

as Gaetan Molière in Lapis Lazuli (1993)

Score: +1

Phil Morris

as Joshua Sweet in Lapis Lazuli (1993)

Score: +1

Michael J. Fox

as Milo James Thatch in Lapis Lazuli (1993)

Score: +1

Jeffrey Tambor

as Cheif Neptune in Lapis Lazuli (1993)

Score: +1

Frank Welker

as Blu in Lapis Lazuli (1993)

Score: +1

Chris Wedge

as Scrat in Lapis Lazuli (1993)

Score: +1

Cree Summer

as Kida Nedakh in Lapis Lazuli (1993)

Score: +1

Harrison Ford

as Capt. Indiana Jones in Lapis Lazuli (1993)

Score: +1

Sandra Bullock

as Lapis Lazuli in Lapis Lazuli (1993)

Score: +1

Don Bluth

as Don Bluth in Lapis Lazuli (1993)

Score: +1

Groot (Marvel Animated Universe)

as Groot in Return of the Jedi (1976)

Score: 0

Jackée Harry

as Jewel in One Hundred and One Cartoons (1971)

Score: +1

Rod Perry

as Colonel Samson in One Hundred and One Cartoons (1971)

Score: +1

John Candy

as Sergeant Timon in One Hundred and One Cartoons (1971)

Score: +1

James Garner

as Duke in One Hundred and One Cartoons (1971)

Score: +1