Part true story, part fiction, King of the Underground is a dark comedy about a frustrated rap artist who goes on an all out murderous killing spree after years of being rejected by the music industry.
| Actor | Role |
|---|---|
 Dex Elliott SandersD.E.X. | D.E.X. |
 Paula Jai ParkerElizabeth Gayle | Elizabeth Gayle |
 Faizon LoveFaizon | Faizon |
 Reginald BallardTito | Tito |
 Malcolm-Jamal WarnerMalcom | Malcom |
| RRoy FirestoneRoy Firestone | Roy Firestone |
 Devika ParikhMrs. Hollywood | Mrs. Hollywood |
| SSalvador MenendezNesto | Nesto |
 Richard T. JonesHimself | Himself |
| AAnwar MitchellKid Cool | Kid Cool |
 'Big' LeRoy MobleyJamican | Jamican |
 Todd BridgesTodd | Todd |
| MMatthew IrmasDonald | Donald |
 James BlackMr. Hollywood | Mr. Hollywood |