Lydia and Andrew’s observant teenage son, who senses something is wrong in his family and seeks the truth.

Annie Doyle’s sister and one of the novel’s three narrators, determined to discover what happened after Annie disappears.

Lydia’s husband, Laurence’s father, and a respected judge whose late-night meeting with Annie ends in her death.

A young woman whose death during a meeting with Andrew creates the opening crisis affecting both the Fitzsimons and Doyle families.

Laurence’s first girlfriend, a colorful supporting character who becomes significant within his part of the story.

A supporting character whose prominence, alongside Helen’s, contributes meaningfully to the novel’s carefully constructed ensemble.

Annie’s baby daughter, whom Annie was forced to relinquish after becoming pregnant as a teenager.