Zoe’s former husband, whose response to their fertility struggles, divorce, and newfound evangelical faith places him in conflict with her.

A guidance counselor who refers a struggling teenager to Zoe; their professional connection develops into friendship and then romantic love.

A charismatic evangelical pastor whose opposition to LGBTQ rights influences Max and draws the characters toward a legal and moral confrontation.

A suicidal, resistant teenager whom Zoe begins treating through music therapy after Vanessa refers her as a last resort.

Zoe’s free-spirited mother and self-styled life coach, characterized as her daughter’s devoted supporter, defender, and sometimes exasperating friend.

Max’s brother, a devout Christian who lives with his wife, Liddy, and has also experienced difficulties trying to have children.

Reid’s wife and Max’s sister-in-law, a devout Christian who shares with Reid a painful history of miscarriages and infertility.