| Character | Actor |
|---|---|
| Sylvia | Penelope Allen |
| Mulvaney | Sully Boyar |
| Sal | John Cazale |
| Margaret | Beulah Garrick |
| Jenny | Carol Kane |
| Deborah | Sandra Kazan |
| Miriam | Marcia Jean Kurtz |
| Maria | Amy Levitt |
| Howard | John Marriott |
| Edna | Estelle Omens |
| Sonny Wortzik | Al Pacino |
| Stevie | Gary Springer |
| Sheldon | James Broderick |
| Moretti | Charles Durning |
| Carmine | Carmine Foresta |