| Jolanda |
Fun | Died from depression and mental health struggles |
| Noelle |
Harlow | Laurel's partner |
| Laurel |
Harlow | Protagonist; psychiatrist at Crystal Meadow |
| Maddie |
Hernandez | Deceased |
| Hilda |
Hernandez | Maddie's mother |
| Georgia |
Mathews | Gia's real identity |
| Paris |
Mathews | Georgia's sister |
| Boone |
| Detective Wallace's partner |
| Ethan |
| Overnight staff |
| Gia |
| Laurel's director |
| Javon |
| Laurel's patient |
| Kendall |
| Child star; Laurel's patient |
| Lyriq |
| Child star; Laurel's patient |
| Malone |
| Police officer |
| Natalie |
| Overnight staff |
| Preston |
| Child star; Laurel's patient |
| Preston |
| Child star; Laurel's patient |
| Spencer |
| Child star; Laurel's patient |
| Tripp |
| Child star; Laurel's patient |
| Wallace |
| Lead detective on Maddie's death |
| Conrad |
| First newly sober person Laurel worked with |
| Jasmine |
| Her's roommate |
| Carl |
| Paris's crisis counselor |
| Giovani |
| Maddie's cousin |
| Tate |
| Maddie's manager |
| Liam |
| Maddie's youngest cousin |
| Aaron |
| Paris's attacker |
| Mary |
| Paris's close friend |
| Amy |
| Influencer that Paris met |
| Andy |
| Influencer that Paris met |
| Haley |
| Aaron's friend |
| Andrew |
| One of Gia's assistants |