Noah's wife and a leading expert in AI ethics, known for her academic achievements and commitment to teaching, as she balances her high-level work with her personal life.

Noah and Lorelei’s eldest child, a talented lacrosse player with a scholarship opportunity, whose journey throughout the story involves dealing with personal challenges.

The middle child of Noah and Lorelei, known for her quick wit and love of reading, who engages with an AI chatbot as she copes with her position in the family.

The youngest child, characterized by her optimism and close bond with her elder brother Charlie, contributing a light-hearted presence amid family tensions.

A billionaire and antagonist to Noah, linked to cybersecurity and AI sectors, whose professional and personal interactions with Lorelei impact her relationship with Noah.

Daniel Monet’s daughter, portrayed as an adventurous and wealthy young woman with a keen interest in Charlie, adding complexity to the story's dynamic.

An investigator of the car crash involving Charlie, displaying a no-nonsense approach that challenges the family's perspective on the incident.

Alice’s AI chatbot friend, symbolizing the role of AI in personal relationships by providing Alice with companionship and emotional support.