| 1 | Anton |
Khoury | Gwen's husband |
| | Lisa |
Greco-King | Aimee's best friend |
| | Aimee |
Stern | Protagonist |
| | Scott |
Crowder | Aimee's husband |
| | Marcus |
| Lisa's husband |
| | Gwen |
Khoury | Aimee's friend |
| | Kai |
| Son of Lisa and Marcus |
| | Noa Helen |
Crowder | Son of Aimee and Scott |
| | Cathy |
Stocker | Aimee's client; schoolteacher |
| | Eileen |
Fisher | American fashion designer |
| 2 | Rafi |
Khoury | Son of Gwen and Anton |
| | George |
Khoury | Son of Gwen and Anton; Rafi's twin brother |
| | Sababa |
| Gwen's dog |
| | Tony |
| Unfaithful writer |
| 3 | Ruth |
| Aimee's roommate |
| | Benji |
| Son of Aimee and Scott |
| | Max |
| Son of Aimee and Scott; Benji's twin brother |
| 4 | Deb |
| Aimee's stepmother |
| | Tim |
Romero | Scott's assistant |
| 5 | Jay |
Salazar | Detective in charge of Anton's case |
| 9 | Paola |
| Gwen's Argentinian neighbor |
| | Barbara |
Buckley | Lisa's mother. Aka: Barb |
| 10 |
Bethesda | |
Noa's friend |
| | Miles |
| Noa's friend |
| 12 |
Jon | Block |
Scott's gym friend |
| 13 |
Henri | Khoury |
Anton's father |
| 16 |
Liz | Muhlbaum |
Neighbor |
| | Dave |
Muhlbaum | Liz's husband |
| | Michelle |
J. | Neighbor |
| 20 |
Kenny | |
Mailman |
| 21 |
Jason | |
Scott's friend |
| 24 |
Michael | Finch |
Missing person |
| | Dexter |
Kohl | Missing person |
| 25 |
Gabby | |
Manages the school's PTA listserv |
| 28 |
Arlette | Fagin |
Secretary at Mad River Regional High School |
| 33 |
Jean | Brewster |
Owner of Cathy's house |
| | Zelda |
| Jean's cat |
| 35 |
Aunt Kay | |
Scott's aunt |
| 37 |
Katie | O'Brien |
Gwen's neighbor |
| 41 |
Nova | |
Coffee shop server |
| | Lance |
| Nova's co-worker |
| 44 |
Jen | Finch |
Mother of Michael/Scott |
| | Ray |
McCready | Michael/Scott's stepfather |
| 47 |
Austin | Byrd |
Channel Five news anchor |
