A true crime podcaster and critical ally to Isabelle, Waylon attends her keynote and involves her in his podcasting work. He helps her uncover important truths about her past and Ben's actions.

Isabelle’s estranged husband and a central antagonist, he is portrayed as charming and manipulative. He was once Isabelle's boss and is connected to several personal and professional deceptions.

Ben's current girlfriend, who is youthful and works as a grief counselor. Her past as Ben's therapist creates a complicated dynamic, and she has ties to Mason's disappearance.

The late first wife of Ben and sister to Waylon, she bears a strong resemblance to Isabelle and Valerie. Her mysterious death serves as an inciting incident in the narrative.

Includes Isabelle, her political father, her supportive yet reserved mother, and her late sisters, Margaret and Eloise. The family grapples with a past steeped in secrecy and guilt.