Deborah "Deb" Shanley

Deb is the second wife of Jack and mother to Kay and Simon. She is a ballet teacher who was once on track to become a professional ballet dancer, but she gave up dancing because of her pregnancy.

Deb began her relationship with Jack while he was married to his first wife. Deb cares for her children and tries to get her daughter, Kay, to open up after the family learns about Jack's affair.

While Deb is aware of Jack's affair by the time the letter and box arrive, she struggles with how to process the level of detail about the affair she now knows. She tries to work things out with Jack, but as the information weighs on her, she begins to pull away.

Deb thinks she wants to reconcile her marriage, but doubt begins to creep in. She begins to withdraw from Jack and...