| | | Part One |
| Siddalee | A. Walker | Protagonist. Aka: Sidda, Siddy. |
| Necie | Ogden | Vivi's bestfriend. One of the Ya-Yas. Aka: Tooty. |
| Caroline | B. Brewster | Vivi's friend. One of the Ya-Yas. Aka: Caro. |
| Aimee | M. Whitman | Vivi's friend. One of the Ya-Yas. Aka: Teensy. |
| Tallulah | Bankhead | The Ya-Ya's idol. |
| Viviane | A. Walker | Sidda's mother. One of the Yayas. Aka: Vivi. |
| M'lain | Chauvin | One of the Popular Girls. Sidda's friend. |
| Sissy | | One of the Popular Girls. Sidda's friend. |
| Mimi | Plauche | One of the Popular Girls. Sidda's friend. |
| Rena | Litz | The leader of the Almost-Popular Girls. |
| Edythe |
Spevey | Sidda's co-camper at Mary Alice. An unpopular girl. |
| Shepley | Walker Jr. | Sidda's brother. Aka: Little Shep. |
| Charlene | Parks | Sidda's dance teacher. |
| Buggy | Abbott | Vivi's mother. Sidda's grandmother. |
| Jezie | Abbott | Sidda's aunt. |
| Tallulah | Walker | Sidda's sister. Aka: Lulu. |
| Baylor | Walker Jr. | Sidda's brother. |
| Miss | Peppy | Buggy's dog. |
| Sherry | Jenkins | Sidda's friend. |
| Nancy | Drew | An Author. |
| Shepley J. | Walker | Sidda's father. Vivi's husband. Aka: Big Shep. |
| Mister | Thibeaux | Big Shep's friend. |
| Claude | Hathaway | Sidda's doctor. |
| Chaney | | Big Shep's right-hand man. |
| Wiletta | | Big Shep's maid. Aka: Letta. |
| Nadine | | The owner of the Spring Creek Shop and Skate. |
| Mr. | Modine | The Sheriff. |
| Gavin | Brewster | Caro's son. Bernard's twin. |
| Bernard | Brewster | Caro's son. Gavin's twin. |
| Abby | Chauvin | M'lain's mother. |
| Lenora | | Sidda's friend. A lady who saved books for Sidda. |
| Sim | | Sidda's friend. |
| Bernard | | Sidda's friend. |
| Pete | | Sidda's uncle. |
| Kidd | | The Mayor. |
| Jep | | Sidda's catahoula hound. |
| Lamar | | Sidda's german shepherd. |
| Charlie | Vanderlick | Family friend of the Walker family. |
| Jolene | | Sidda's dog. |
| Josie | | A dog who has an ability to sleep standing up. |
| Dr. | Fitzsimmons | The veterinarian. |
| Sister | Osberga | A nun at Our Lady of Divine Compassion Parochial School. |
| Marie | Williams | Sidda's friend. |
| Mr. | Julian | Owner of a beauty salon. |
| Jeannine | | Owner of the house of beauty. |
| Antoinette | Williams | Marie's mother. |
| Mr. | Williams | Marie's father. |
| Kathy | Williams | Marie's sister. |
| Theresa | Williams | Marie's sister. |
| Monica | Williams | Marie's sister. |
| Bernadette | Williams | Marie's sister. |
| Jude | Williams | Marie's brother. |
| Sister | Philomena | One of Sidda's friends. |
| Amy | | Sidda's best friend. |
| Rosalyn | | The cosmetic lady. |
| Mr. | Couvillion | Big Shep's friend. |
| Verna | | A saleslady at the Cowboy Store that Sidda met. |
| Rosalyn | | Verna's friend and workmate. |
| Chick | | Teensy's husband. |
| Ruffin | | Teensy and Chick's son. |
| Miss | Lucille | A former famous horsewoman. |
| | | Part Two |
| Baylor | Walker Sr. | Sidda's grandfather. Big Shep's father. |
| Ruby | | Willeta's daughter. |
| Pearl | | Willeta's daughter. |
| Kane | Walker | Little Shep's wife. |
| Lucinda | | Willeta's girl best friend. |
| Bibu | Crowell | Soneone Little Shep likes. |
| Pres | Davis | Little Shep's friend. |
| Wascomb | Beldevere | The current Thornton Mayor. Aka: Catfish. |
| Lincoln | | Chaney's brother. |
| Melissa | D. Walker | Baylor's wife. |
| Jeff. | Walker | Baylor and Melissa's son. Caitlin's twin. |
| Caitlin | Walker | Baylor and Melissa's daughter. Jeff's twin. |
| Walker | Percy | The author that Baylor idolized. |
| Melvin | Jeansone | The chief of police. |
| Hazelinda | Beldevere | Wascomb's wife. |
| Crowell | Jefers | The new Mayor. |
| Neal | Chauvin | Big Shep's friend. M'lain's father. |
| Russell | Long | Former U.S. Senator. |
| Alma | Vanderlick | Charlie's wife. |
| Albert | Vanderlick | Alma and Charlie's son. |
| Sary | | Mike's friend. |
| Mike | | The old man who goes to Big Shep's farm. |
| Freddy | | Vivi's neighbor. |
| Benjamin | Spock | An American pediatrician. |
| Joan | Crawford | An American Actress. |
| Connor | | Sidda's best friend. |
| Siddalee | D. Walker | Baylor and Melissa's daughter. Sidda's goddaughter. |
| Mr. | Messina | A priest. |