An older custodian at Elko Middle School and a former KGB colonel, who becomes a mentor figure for Zach, offering friendship and guidance while hiding his own secrets.

The primary antagonist tied to a drug cartel who is actively pursuing the Osborne family, utilizing deceit and violence to achieve his goals.

A student at Elko Middle School who holds a grudge against Zach, eventually becoming a secondary antagonist by using Zach's journal as leverage.

A kind and perceptive girl from Elko who befriends Zach and stands up for him, eventually becoming an important influence on his sense of belonging in Elko.

A former Navy fighter pilot and father to Jack (Zach), whose involvement in illegal activities introduces danger to the family but also reflects his willingness to make amends.

Zach's mother, who is initially furious with Neil but focuses on protecting her children and rebuilding their lives by opening a bookstore.

Zach's outgoing and dramatic sister, who quickly adapts to their new life in Elko and pursues her dream of becoming an actress, showing courage in the face of change.