| 1 | Joseph | Morelli | Stephanie's childhood friend and neighbor. Aka: Joe. |
| | Old Man | Morelli | Joe's father. |
| | Stephanie | Plum | Narrator and Protagonist. |
| | Mary Lou | Molnar | Stephanie's best friend. |
| | Paul | Simon | An American singer. |
| | Lenny | Grubber | Stephanie's high school classmate. |
| | Mrs. | Markowitz | Stephanie's next-door neighbor. |
| | Grandma | Mazur | Stephanie's maternal grandmother. |
| | Grandpa | Mazur | Stephanie's maternal grandfather. |
| | Grandpa | Plum | Stephanie's paternal grandfather. |
| | Joyce | Barndhardt | Mistress of Stephanie's father. |
| | Loretta | Buzick | Stephanie's
acquaintance. |
| | Ronald | Buzick | Loretta's son. A butcher. |
| | E.E | Martin | Stephanie's boss. |
| | Vincent | Plum | Stephanie's cousin. Aka: Vinnie. |
| | Rex | | Stephanie's hamster. |
| | Connie | Rossoli | Tina's mother. |
| | Tina | Rossoli | Stephanie's former classmate. Connie's daughter. |
| | Morty | Buyers | Vinnie's agent. |
| 2 | Mooch | Morelli | Joe's cousin. |
| | Ricardo C. | Manoso | One of Vinnie's agents. Aka: Ranger. |
| | Ziggy | Kulesza | The guy Joe murdered. |
| | Carmen | Sanchez | The girl Joe was supposed to meet. |
| | Benito | Ramirez | Ziggy's boss. A boxer. |
| | Frank | Plum | Stephanie's father. |
| | Mrs. | Morelli | Joe's mother. |
| | Francie | | Stephanie's cousin. |
| | Eddie | Gazarra | A Trenton Cop. |
| 4 | Valerie | Plum | Stephanie's sister. |
| | Bernie | Kuntz | The guy Stephanie was supposed to date. |
| | Helen | Plum | Stephanie's mother. |
| | Maura | | The woman who works at the Hair Palace. |
| | Sunny | | Stephanie's friend. |
| | John | Kuzack | Carmen's neighbor. |
| | Sal | | Owner of a butcher shop. |
| 5 | Clarence | Sampson | One of the criminals in Vinnie's wanted list. |
| | Carl | Costanza | Stephanie's friend. |
| 6 | Gus | Dembrowski | The police in charge of the Kulesza Case. |
| 7 | Shirley | Gallo | Mooch's wife. |
| | Jimmy | Alpha | Benito Ramirez's manager. |
| | Dillon | Ruddick | Stephanie's friend. |
| | Lula | | Carmen's friend. |
| | Jackie | | Carmen's friend. |
| 8 | Lonnie | Dodd | An Auto thief. |
| | Mrs. | Santiago | Carmen's neighbor. |
| 9 | Sophie | | Stephanie's aunt. |
| 10 | Dorsey | | The policeman in charge of Lulu's case. |
| 11 | Tommy | Clark | A boxer. Benito's opponent. |
| 12 | William | Earling | An Exhibitionist. |
| 13 | Louis | | A distributor in Philly. |