Based on the life of rock promoter/producer Bob Marucci, who discovered, among others, Frankie Avalon and Fabian.
| Actor | Role |
|---|---|
 Ray SharkeyVincent 'Vinnie' Vacarri | Vincent 'Vinnie' Vacarri |
 Peter GallagherCaesare | Caesare |
 Joe PantolianoGino Pilato | Gino Pilato |
| PPaul LandTommy Dee | Tommy Dee |
| JJoJo D'AmoreHarmon | Harmon |
 Maureen McCormickEllen Fields | Ellen Fields |
 Olympia DukakisMrs. Vacarri | Mrs. Vacarri |
| JJimmy CarterJimmy Ryan | Jimmy Ryan |
 Tovah FeldshuhBrenda Roberts | Brenda Roberts |
 John ApreaMario Vacarri | Mario Vacarri |
 Richard BrightUncle Tony | Uncle Tony |
| MMyrna SmithSweet Inspirations | Sweet Inspirations |
| JJeanette LinneSpectator (uncredited) | Spectator (uncredited) |