Amp Fiddler (Self - Musician, Parliament Funkadelic (archive footage)), Funkmaster Flex (Self - Rapper (archive footage)), Robert Glasper (Self - Jazz Musician), Titus Glover (Self - Rapper (archive footage) (as Baatin)), Berry Gordy (Self - Creator of Motown Records (archive footage)), Lauren Herstik (Self - Reporter, The New York Times), Edwin Houghton (Self - Journalist), DJ Jazzy Jeff (Self - Producer, Friend), Phat Kat (Self - Rapper, Collaborator), Kelley L. Carter (Self - Journalist (as Kelley Carter)), Jack McDuff (Self - Musician (archive footage)), Black Milk (Self - Producer, Slum Village), Idris Muhammad (Self - Drummer (archive footage)), Frank n Dank (Themselves (archive footage)), Mats Nileskär (Self - Swedish Hip Hop Journalist and Radio DJ (archive footage)), Frank Nitt (Self - Rapper, Frank n Dank, Friend), The Pharcyde (Themselves (archive footage)), Bernard Pretty Purdie (Self - Drummer (archive footage)), Karriem Riggins (Self - Producer, Collaborator), The Roots (Themselves (archive footage)), Mike Ross (Self - Founder, Delicious Records), Raphael Saadiq (Self - Producer, The Ummah), Ali Shaheed Muhammad (Self - Rapper, Producer (archive footage)), House Shoes (Self - DJ, Friend), A Tribe Called Quest (Themselves (archive footage)), Slum Village (Themselves (archive footage)), Martha Yancey (Self - Sister), John Yancey (Self - Brother), Maureen Yancey (Self - Mother), Beverly Yancey (Self - Father (archive footage))