Hannah's husband, an orthopedic surgeon who is devoted to both Hannah and Janie; he grapples with the changing dynamics in his family after bringing Janie into their lives.

A central secondary character, Janie is a young girl with a traumatic past whose presence significantly impacts the Bauer household; she forms a close bond with Christopher but not with Hannah.

The social worker assigned to the Bauer case, Piper provides insights into the complexities of the family's situation through her interactions and perspectives.

Hannah's sister, she is a supportive and concerned figure who raises questions about the difficulties of adopting Janie; she stands as a voice of caution within the family dynamics.

Janie's therapist, who aids the Bauer family by diagnosing Janie's psychological needs; she plays a key role in guiding how the family addresses Janie's behavior and needs.