1 | | | White River High School - A publicly-funded institution. |
| Mychal | Turner | Daisy's boyfriend. |
| Daisy | Ramirez | Aza's best friend. |
| Davis | Pickett | Russell's son. Aza's childhood friend and love interest. |
| | | Clostridium Difficile - A bacterium that can cause
diarrhea. |
| Aza | Holmes | Narrator. Protagonist. aka: Holmesy. |
| Karen | Singh | Aza's doctor. |
| Molly | Krauss | Daisy's acquaintance. |
2 | Mom | | Aza's mother. |
| Harold | | A 16 year-old Toyota Corolla. Aza's car. |
| Russell | Pickett | Founder of Pickett Engineering. Missing. |
| Simon | Morris | Russell's lawyer. |
| Dwight | Allen | A detective working on the Missing Person's case. |
| Noah | Pickett | Russell's son. Davis's brother. |
3 | Elena | Ramirez | Daisy's sister. |
| Lyle | | The Picketts's security. |
4 | Malik | Moore | Russell's zoologist. |
| Rosa | | Russell's house manager. |
6 | Holly | | An Applebee's server. |
| Kylo | Stan | A boy with bad fanfiction language. |
| Sandra | Oliveros | Wrote about Russell's disappearance. |
| Adam | Bitterley | The first to report Russell's disappearance. |
7 | Ms. | Park | Aza's biology teacher. |
9 | Tu-Quyen | Pham | A famous architecht. |
10 | Charles | Cheese | Somebody Daisy was going out with. |
11 | Josephine | Jackson | Aza's banker. |
12 | Liam | | Daisy's orange volkswagen beetle. |
13 | Mr. | Myers | A teacher acquainted with Aza's mother. |
18 | Franklin | | The firefighter who responded on Aza's car accident. |
19 | Nurse | Wallace | Aza's nurse. |
22 | Frances | Oliver | Curator of Prisoner 101. Aza's acquaintance. |
| Kip | | A bearded man. |