| Ms. | Campanelli | Chloe's teacher. |
| Roald | Dahl | A British novelist. |
| Matt | Damon | An American actor. |
| Jane | Eyre | The protagonist in Jane Eyre's novel. |
| Michael | Fassbender | Sarah's crush. An Irish-German actor. |
| Caleb | Fields | Ethan and David's stepbrother. |
| David | Fields | One of Chloe's classmates. |
| Ethan | Fields | The boy Ivy's dating. David's brother who has autism. |
| Kevin | Fields | Ethan and David's father. |
| Margot | Fields | Ethan and David's stepmother. |
| Hugh | Jackman | The actor who played Wolverine. |
| Brian | Kessler | One of Chloe's ex-lovers. |
| Heath | Ledger | A famous Australian actor. |
| Chloe | Mitchell | Protagonist. |
| Ives | Mitchell | Chloe's sister who has autism. Aka: Ivy. |
| Jeannie | Mitchell | Ivy and Chloe's mother. |
| Jana | Rodriguez | One of Chloe's classmates. |
| Brandon | Seltzer | Sarah's friend. |
| Harold | Swerg | David and Chloe's schoolmate. |
| Lambert | Vini | One of Chloe's classmates. |
| Ajay | | One of Ivy's classmates. |
| Audrey | | Ivy's new internet friend. |
| Bobby | | An ex-lover of Chloe's mother. |
| Braden | | One of Chloe's ex-lovers. |
| Diana | | Ivy's classmate and best friend. |
| Emily | | Ethan's new classmate. |
| Ethan | | Ethan's new classmate. |
| Jacob | | James's friend. |
| James | | Chloe's boyfriend. |
| Joe | | One of Ethan's helpers. |
| Juan | | One of Chloe's ex-lovers. |
| Julia | | Ethan's new best friend. |
| Kimberly | | The aide in Ivy's class. |
| Loren | | One of Chloe's ex-lovers. |
| Nicholas | | One of Ethan's classmates. |
| Nick | | One of Chloe's ex-lovers. |
| Rochester | | The boy Jane falls in love with. |
| Roger | | One of Ivy's classmates. |
| Ron | | Chloe's step-father. A chiropractor. |
| Sammy | | Ethan's primary helper. |
| Sarah | | Chloe's classmate and best friend. |
| Wilson | | Ethan's new classmate. |
