Suggestions by @sonic

Robert Carlyle

as Den in The Adventures of Thomas

Score: +2

Mark Addy

as Dart in The Adventures of Thomas

Score: +2

Amy Adams

as Millie in The Adventures of Thomas

Score: 0

Chris Lew Kum Hoi

as Yong Bao in The Adventures of Thomas

Score: -1

Bill Fagerbakke

as Norman in The Adventures of Thomas

Score: +2

Jack Black

as Neville in The Adventures of Thomas

Score: +2

Harry Gregson-Williams

as Composer in The Adventures of Thomas

Score: +1

Will McRobb

as Writer in The Adventures of Thomas

Score: 0

Ken Jeong

as Horrid Lorries in The Adventures of Thomas

Score: +2

Chris Hemsworth

as Ace in The Adventures of Thomas

Score: +2

Allspark Studios

as Production companies in Transformers: Rise of Unicron

Score: +1

Paramount Pictures

as Distributor in Transformers: Rise of Unicron

Score: +1

Robert Foxworth

as Rachet in Transformers: Rise of Unicron

Score: +1

Harrison Ford

as The Fallen in Transformers: Rise of Unicron

Score: +1

Kevin James

as Bartleby in True and the Rainbow Kingdom: The Movie

Score: +2

Joseph May

as OpThomas Prime in Transformers: Rise of Unicron

Score: +1

Ramón Rodríguez

as Leo Spitz in Transformers: Rise of Unicron

Score: +1

Hailee Steinfeld

as Charlie Watson in Transformers: Rise of Unicron

Score: +1

Glowin' up

as Soundtrack in Transformers: Rise of Unicron

Score: +1

Gemma Chan

as Quintessa in Transformers: Rise of Unicron

Score: +4