| | | Part 1 |
1 | Amy | Newling | Wavy's cousin. |
| Wavonna | Quinn | Protagonist. Aka: Wavy, Vonnie. |
| Liam | Quinn | Amy's uncle. Wavy's father. |
| Valerie | Quinn | Amy's aunt. Wavy's mother. Aka: Val. |
| Leslie | Newling | Amy's sister. |
| Sue | Enaldo | The social worker who brings Wavy to Brenda. |
| Brenda | Newling | Wavy's aunt. Amy's mother. |
| Dust | Bunny | Wavy's baby doll. |
| Bill | Newling | Brenda's husband. Wavy's uncle. |
| Mrs. | NiBlack | Amy's neighbor. |
| Helen | Morrison | Wavy's grandmother. Brenda's mother. |
2 | Irv | Morrison | Helen's husband. Brenda's father. |
| Mrs. | Berry | Wavy's teacher. |
| Donal | Quinn | Wavy's little brother. |
3 | Mr. | Arsenikos | Wavy's neighbor. |
| Sean | Quinn | Wavy's uncle. Liam's brother. |
| Megan | | The social worker who checks on Wavy. |
| Dee | | Val's bestfriend. Liam's mistress. |
| Butch | | Liam's friend. Liam's drug business partner. |
4 | Jesse Joe | Barfoot Jr. | A man who works with Liam. Wavy's boyfriend. Aka: Kellen, The Giant. |
5 | Dan | Cutcheon | Kellen's mechanic business partner. Aka: Old man Cutcheon. |
6 | Lisa | DeGrassi | Wavy's 3rd grade teacher. |
| Stacy | | One of the 3rd grade teachers. |
| Mrs. | Norton | The long-time teacher at Wavy's school. |
| Mr. | Bunder | The P.E. teacher. |
7 | Marilyn | | A saleslady at a bike shop. |
9 | Ricki | | Liam's mistress. |
10 | Terry | | Liam's friend. |
| Alicia | | Kellen's former lover. |
12 | Adina | Barfoot | Kellen's mother. |
| Snake | Girl | Liam's friend. |
| Neil | | Kellen's friend. |
| Yvonne | | Neil's girlfriend. |
| Sandy | | One of Liam's mistresses. |
| | | Part 2 |
| Jane | Newling | Amy's grandmother. Bill's mother. |
3 | Vic | | Liam's worker. |
4 | Caroline | Peters | Wavy's classmate. |
5 | Glen | | The bar owner. |
6 | Billy | | A drag racer. |
| Leon | Vogel | The police officer who arrested Kellen. |
8 | Scott | | Butch's friend. |
9 | Lance | | Dee's boyfriend. |
| | | Part 3 |
1 | Patty | Bruce | Val's night nurse. |
| Casey | | Val's day nurse. |
| Marjory | | Patty and Casey's supervisor. |
3 | Miss | Humphries | Owner of the store where Kellen bought Wavy's engagement ring. |
| Clifford | | A cashier at Miss Humphries's jewelry store. |
4 | Roger | Betsworth | Cutcheon's worker. |
| Paola | Cutcheon | Cutcheon's wife. |
6 | Jimmy | Didier | A boy who likes Wavy. Wavy's classmate. |
| | | Part 4 |
1 | Jana | | Leslie's friend. |
| Angela | | Jana's sister. |
3 | Delbert | | A policeman. |
6 | Lyle | Broadus | Kellen's lawyer. |
| Grant | | The sheriff who interrogates Kellen. |
7 | Haskins | | A policeman. |
| Cardoza | | The federal agent. |
| Barfoot | Senior | Kellen's father. |
11 | Charlotte | | The youth pastor. |
| Marcus | | A boy who had a crush on Amy. |
| | | Part 5 |
1 | Renee | Dale | Wavy's roommate. |
| Jill | Carmody | Renee's best friend. |
2 | Mrs. | Dale | Renee's mother. |
| Mr. | Dale | Renee's father. |
4 | Beth | | Kellen's new friend. |
5 | Darrin | | The custodian at the hospital. Wavy's friend. |
| Joshua | | Renee's classmate. |
12 | Mr. | Osher | The lawyer who oversaw Wavy's trust fund. |
13 | James | Teeter | Wavy's lawyer. |
14 | C.J | Maber | The judge in Wavy's case. |
20 | Brice | Standish | Leslie's husband. |
21 | Trisha | | Amy's girlfriend. |