Pro | Richard | Thompson | Nellie's Cheater Husband. |
| | | Part 1 |
1 | Vanessa | Thompson | Protagonist. aka: Nellie. |
| | | Chi Omega - A sorority. |
| Samantha | | Nellie's bestfriend. aka: Sam. |
2 | Beau | | A Journalist / Charlotte's wife. |
| Nancy | | An Investment Banker / Nellie's customer. |
| Hillary | Searles | George Searles's wife / Nellie's old acquaintance. |
3 | Elizabeth | Knapp | A woman in the grave. |
| Linda | | The pre-school director. |
| Jonah | Porter | A pre-school student. |
| Mr. | Porter | Jonah Porter's father. |
| Mrs. | Porter | Jonah Porter's mother. |
| Marnie | | Nellie's co-teacher. |
4 | Lucille | | Nellie's boss. |
5 | Gibson | | A bistro owner. |
| Mo | Willems | Author of a children's book. |
| Josie | | Nellie's co-waitress. |
| Margot | | Nellie's co-waitress. |
| Ben | | Head waiter at Gibson's. |
| Chris | | Bartender at Gibson's. |
| Maureen | Thompson | Richard Thompson's older sister. |
7 | Donna | | An Assistant 4S Teacher. |
| Nick | | Nellie's former lover. |
8 | Dr. | Hoffman | A fertility specialist. |
| Lisa | | Saleslady. |
| Mrs. | Keene | Richard Thompson's neighbor. |
| Mike | | Doorman at Richard's place. |
| Frank | | Sunday doorman at Richard's place. |
9 | Brianna | | Nellie's former student. |
| Lucas | | Nellie's fromer student. |
10 | Wagner | | Richard Thompson's favorite composer. |
11 | Moogie | | Nellie's childhood stuffed dog. |
| Leslie | | Nellie's old sorrority sister and close friend. |
| | | Part 2 |
19 | Emma | Sutton | Richard Thompson's new fiance. |
| Diane | | Richard Thompson's secretary. |
| Eric | | A scuba instructor. |
| Daniel | Barton | Nellie's boyfriend and Grant University professor. |
| Maggie | | Nellie's sorrority "Little Sister". |
24 | Jessica | | The Wildest Girl in Nellie's Sorrority. |
| Nicole | Barton | Daniel Barton's wife. |
25 | Tara | | Samantha's roommate. |
| Tom | | A guy Samantha's dating. |
26 | Duke | | Richard Thompson's german shepherd. |
| Carl | | Duke's Trainor. |
| Mrs. | Lee | A woman in the dry cleaner. |
28 | Alvin | Ailey | Richard Thompson's friend. |
| Paul | | Richard Thompson's friend. |
29 | Jason | | Maggie's older brother. |
30 | Kate | | Nellie's friend |
| | | Part 3 |
31 | Betty | | The Bank Teller. |
34 | Andy | Woodward | A man from furry paws. |
36 | Brenda | | Wedding Gown Boutique's Owner. |