Guest Stars Maria Blasucci as Various Characters Mort Burke as Various Characters Bennie Arthur as Various Characters Questlove as Himself (Narrator) Carl Tart as Himself (Narrator) Ashley Nicole Black as Herself (Narrator) Jaleel White as Martin Luther King Jr. Raven-Symoné as Nichelle Nichols Method Man as Joseph Saddler A.K.A. Grandmaster Flash Brian Tyree Henry as Berry Gordy Miles Brown as Theodore Livingston A.K.A. Grand Wizzard Theodore O'Shea Jackson, Jr. as Clive Campbell A.K.A. DJ Kool Here Eris Baker as Cindy Campbell Tymberlee Hill as Diana Ross