Suggestions by @jmcdowell

Dominic DeVore

as Michael in Sing, Unburied, Sing

Score: +1

Anika Noni Rose

as Karen Lewis in Make a Joyful Noise

Score: +1

Gladys Knight

as Louise in Make a Joyful Noise

Score: +1

Melba Moore

as Mary Graham in Make a Joyful Noise

Score: +1

Patti LaBelle

as Nancy Wilcox in Make a Joyful Noise

Score: +1

Leslie Uggams

as Nancy Wilcox in Make a Joyful Noise

Score: +1

Loretta Devine

as Louise in Make a Joyful Noise

Score: +1

Lou Gossett Jr.

as Sam Michael, Mattie's Father in The Women of Brewster Place

Score: +1

Ashton Sanders

as C.C. Baker in The Women of Brewster Place

Score: +1

Terrence Howard

as Rick James in Lovergirl: The Teena Marie Story

Score: 0

Brian Tyree Henry

as Birdman in Lovergirl: The Teena Marie Story

Score: +2

Ephraim Sykes

as James Ambrose Johnson Jr. in The Rick James Story

Score: +4

Miley Cyrus

as Linda Blair in The Rick James Story

Score: +1

Marcus Scribner

as Narada Michael Walden in We Are Family: The Sister Sledge Story

Score: +1