Suggestions by @brogle

Takayo Fischer

as Mrs. Mulberry in Clue

Score: +2

Elaine Chao

as Mrs. Mulberry in Clue

Score: -1

Steven Seagal

as Sir Crowe in Clue

Score: +3

Robbie Coltrane

as Sir Crowe in Clue

Score: 0

Barbie Ferreira

as Holly in Clue

Score: 0

Mo'Nique

as Holly in Clue

Score: +2

Zhao Shuzhen

as Mrs. Mulberry in Clue

Score: +1

Froy Gutierrez

as Tawny in Clue

Score: +1

Lucas Jade Zumann

as Tawny in Clue

Score: +1

Nicholas Hamilton

as Tawny in Clue

Score: +1

Caleb McLaughlin

as Tawny in Clue

Score: +2

Xolo Maridueña

as Tawny in Clue

Score: +2

Tanaya Beatty

as Aunt Burgundy in Clue

Score: 0

Irene Bedard

as Aunt Burgundy in Clue

Score: +1

Letitia Wright

as Judge Mauve in Clue

Score: +1

Viola Davis

as Judge Mauve in Clue

Score: +1

Zazie Beetz

as Judge Mauve in Clue

Score: -1

Oscar Isaac

as Mr. Slate-Gray in Clue

Score: +1

Naomi Scott

as Miss Scarlet in Clue

Score: +3

Adelaide Kane

as Miss Scarlet in Clue

Score: +5