David's daughter who falls ill after drinking contaminated water. She is quarantined in Los Angeles and serves as the primary motivation for David's dangerous journey. He ultimately scales a steep cliff to administer the antidote and save her life.
David is the protective father of Alison.
Kate is Alison's mother, separated from her family.
Lynn selflessly preserves the cure for Alison.
Explore the full interactive character relationship map of Meteor Apocalypse