Mark James is the ex-boyfriend of Sarah Hart. He was a Senior, and the star quarterback, at Paradise High School at the time that John (Number Four) attended and was instantly jealous of the relationship he formed with Sarah. Mark later redeems himself by fighting along side Number Four and Number Six during Battle of Paradise High School and remains in Paradise when they leave. After the battle Mark becomes involved with online alien conspiracies and investigates the intentions of the FBI which have swarmed the town.