1 | Piper | Goldstein | Janie's social worker. |
| Janie | | An abandoned 6-year-old child. |
| Hannah | Bauer | The woman who adopted Janie. A nurse. |
| Aubrey | | Hannah's co-worker. |
| Stephanie | | Hannah's co-worker. |
| Carl | | Hannah's co-worker. |
| Christopher | Bauer | Hannah's husband. An orthopedic surgeon. Aka: Chris. |
| Bianella | | Christopher and Hannah's adoption specialist. |
2 | Alexis | | Christopher's receptionist. |
| Dan | | Christopher's co-doctor. |
3 | Ron | | A private investigator. |
| Luke | | A police officer. |
4 | Dr. | Chris | Christopher's co-doctor. |
5 | Allison | | Hannah's sister. |
| Greg | | Allison's husband. |
| Caleb | | Allison and Greg's son. |
| Dylan | | Caleb's twin. |
6 | Becky | Watson | Janie's biological mother. |
12 | Rhonda | | The chief child psychologist at the hospital. |
| Sue | Watson | Becky's mother. |
15 | Joyce | | Carl's wife. |
16 | Mabel | Bauer | Christopher's mother. |
17 | Lilian | | Hannah's mother. |
| Gene | | Hannah's father. |
19 | Greta | | Sydney's best friend. Dan's former nanny. |
| Sydney | | Greta's best friend. |
| Brynn | | Greta's daughter. |
| Violet | | Sydney's daughter. |
| Meredith | | Hannah's acquaitance. |
| Dr. | Chandler | A psychologist of abused children. Janie's therapist. |
24 | Mrs. | Allulo | The lead teacher at Janie's preschool. |
26 | Dr. | Walsh | Hannah's doctor. |
27 | Elodie | | Janie's best friend. |
| Mrs. | Tinney | Janie's teacher. |
32 | Blue | | Janie's kitten. |
34 | Nicole | Bauer | Christopher's grandmother. |
| Cole | Bauer | Hannah and Christopher's baby. |
35 | Dr. | Garcia | Cole's pediatrician. |
40 | Dr. | Flynn | Hannah's ob-gyne. |
45 | Holly | | A hospital social worker. |
51 | Marilyn | Fragick | Piper's colleague. A social worker. |
| Josh | Hoff | Piper's colleague. A social worker. |
52 | Dr. | Pyke | Hannah's doctor. |
| Maureen | | Hannah's nurse. |
54 | Dr. | Spence | Hannah's chief psychologist. |
59 | Elaine | | Janie's new social worker. |
| Viviane | | House manager at Children's Services. |