| Type: | lead |
| Age Range: | 17 – 26 |
| Gender: | male |
| Voice Part: | tenor |
| Vocal Range: | none |
| Dancing: | medium |
| Name | Gender | Vocal Part | Age Range | Role Type |
| Accountant | male | spoken | 30 – 50 | cameo |
| Angels | female | 20 – 30 | cameo | |
| Barry Belson | male | cameo | ||
| Bob Crewe | male | 30 – 40 | supporting | |
| Bob Gaudio | male | tenor | 21 – 35 | lead |
| Charlie Calello | male | cameo | ||
| Crewe's PA | male | cameo | ||
| Davis | male | cameo | ||
| Detective 1 | male | cameo | ||
| Detective 2 | male | cameo | ||
| Francine | female | 14 – 20 | supporting | |
| Frankie's Mother | female | 40 – 55 | cameo | |
| French Rap Star | male | cameo | ||
| Gyp De Carlo | male | 40 – 60 | supporting | |
| Hal Miller | male | cameo | ||
| Hank Majewski | male | cameo | ||
| Joe Long | male | cameo | ||
| Joey | male | cameo | ||
| Lorraine | female | cameo | ||
| Mary Delgado | female | 21 – 32 | supporting | |
| Miss Frankie Nolan | female | cameo | ||
| Nick Massi | male | bass | 21 – 35 | lead |
| Norm Waxman | male | cameo | ||
| Police Officer | male | cameo | ||
| Stosh | male | cameo | ||
| Tommy DeVito | male | baritone | 21 – 35 | lead |