Suggestions by @simples92

Michael Jai White

as Erik Killmonger in Black Panther (Made In 2000)

Score: +1

Eamonn Walker

as M'Baku in Black Panther (Made In 2000)

Score: +1

Albert Hughes and Allen Hughes

as Writer in Black Panther (Made In 2000)

Score: -1

Cicely Tyson

as Ramonda in Black Panther (Made In 2000)

Score: +1

Kerry Washington

as Shuri in Black Panther (Made In 2000)

Score: +1

Albert Hughes and Allen Hughes

as Black Panther in Black Panther (Made In 2000)

Score: -2

Wesley Snipes

as Black Panther in Black Panther (Made In 2000)

Score: +1

Albert Hughes and Allen Hughes

as Director in Black Panther (Made In 2000)

Score: +1

Barry Keoghan

as Carlo Baxter in Your Honor (UK Version BBC Drama)

Score: +1

John Hurt

as Proffessor Porter in Tarzan (2006 Live Action Movie)

Score: +1

Ving Rhames

as Kerchak in Tarzan (2006 Live Action Movie)

Score: +1

Ron Palillo

as DJ Strangelove in They Cloned Tyrone (70s)

Score: +1

Ossie Davis

as The Preacher in They Cloned Tyrone (70s)

Score: +1

Denise Nicholas

as Ree - Ree in They Cloned Tyrone (70s)

Score: +1

Storm Reid

as Daisy Watkins in Milestone Cinematic Universe DC

Score: +1

Robin Williams

as J. Robert Oppenheimer in Oppenheimer (1992)

Score: 0

Ron O'Neal

as Isaac in They Cloned Tyrone (70s)

Score: +1