An aspiring DJ, from the South Bronx, and his best friend, a promoter, try to get into show business by exposing people to hip-hop music and culture.
| Actor | Role |
|---|---|
| GGuy DavisKenny Kirkland | Kenny Kirkland |
 Rae Dawn ChongTracy Carlson | Tracy Carlson |
 Saundra SantiagoCarmen Cararro | Carmen Cararro |
 Doug E. FreshHimself | Himself |
 Mary AliceCora | Cora |
 Shawn ElliottDomingo | Domingo |
 Duane JonesRobert | Robert |
 Kadeem HardisonHigh School Student (scenes deleted) | High School Student (scenes deleted) |
 Jon ChardietRamon | Ramon |
 Leon W. GrantChollie | Chollie |
| RRobert TaylorLee Kirkland | Lee Kirkland |
 DJ Kool HercClive Campbell | Clive Campbell |
 Afrika BambaataaNot listed | Not listed |
| TTommy GunnFurious Five | Furious Five |
 Melle MelGrandmaster Melle Mel | Grandmaster Melle Mel |
 Gina BelafonteElizabeth | Elizabeth |
 Hope ClarkeDancing instructor | Dancing instructor |
 Joseph C. PhillipsDancer | Dancer |
 Tony 'Mr. Wave' DraughonNew York City Breaker | New York City Breaker |
 The New York City BreakersBreakdancers | Breakdancers |
| RRock Steady CrewBreakdancers | Breakdancers |