| 1 | Mousse | | A dog. |
| | Vanessa | | Matthew's daughter. |
| | Matthew | Bowles | A skilled artist. aka: Matt. |
| | Phillippa | Mackensie | Matt's best friend. aka: Pip. |
| 2 | OphTlie | | Pip's mother. aka: Opie. |
| | Amy | | Pip's baby-sitter. |
| 3 | Andrea | | OphTlie's best friend. |
| | William Theodore | | Andrea's son. aka: Willie. |
| | Ted | | OphTlie's husband. |
| | Chad | | Ted and OphTlie's son. |
| 4 | Robert | | Matt's son. |
| 5 | Sally | | Matt's ex-wife. |
| 7 | Hamish | Greene | Sally's second husband. |
| | Margaret | | Hamish ex-wife. |
| 8 | Blake | Thompson | A clinical psychologist. |
| 9 | Mr. | Feigenbaum | A retired butcher. |
| 10 | Nessie II | | Matt's sailboat. |
| 12 | Alice | | A cleaning woman. |
| | Miss | Giulani | Pip's teacher. |
| 13 | Louise | Anderson | Head at the Wexler Center. |
| | Miriam | | An employee at the Wexler Center. |
| | Aggie | | A member of the outreach team. |
| | Bob | | One of the members of the outreach team. |
| | Jefferson | Mannix | One of the members of the outreach team. aka: Jeff. |
| | Milagra | | One of the members of the outreach team. aka: Millie. |
| 15 | Jeremy | Atcheson | OphTlie's acquaintance. |
